H49 antibiotics

Antibiotics can be used to ... IC50 values are estimated to be h = 49 ng/mL ... Emergence and spread of antibiotic resistance following exposure to antibiotics.

Metronidazole (also known by the brand names Flagyl, Metizol, Protostat, Metrogel) is a strong antibiotic sometimes used to treat dogs. Metronidazole (also known by the brand names Flagyl, Metizol ...Antibiotic-resistant infections pose an urgent threat to human health - particularly those caused by a large group of bacteria known as Gram-negative bacteria, which are protected by an outer ...The use of antibiotic alternatives to promote health and reduce disease will decrease antibiotic use, thereby decreasing selective pressure for the emergence and transmission of antibiotic-resistance genes. Antibiotics are used for disease treatment and prevention in both humans and animals. Historically, antibiotics have also been used for ...Antibiotics are powerful medicines used to treat certain illnesses. However, antibiotics do not cure everything, and unnecessary antibiotics can even be harmful. There are 2 main types of germs that cause most infections. These are viruses and bacteria. Viruses cause: Antibiotics cannot kill viruses or help you feel better when you have a virus.The recommended dosage for treatment of patients with documented Pneumocystis carinii pneumonia is 75 to 100 mg/kg sulfamethoxazole and 15 to 20 mg/kg trimethoprim per 24 hours given in equally divided doses every 6 hours for 14 to 21 days. 10 The following table is a guideline for the upper limit of this dosage: Weight. Dose - every 6 hours. lb.Bactrim‚ also known as sulfamethoxazole‚ is a combination antibiotic medication used tо treat various bacterial infectiоns. It contains two active ingredients‚ sulfamethoxazole and trimethoprim‚ which work together to inhibit the growth and spread of bacteria. Common brand names for Bactrim include Bacter-Aid DS‚ Bactrim DS ...Generic Name (S): sulfamethoxazole-trimethoprim. Uses. Side Effects. Precautions. Interactions. Uses. This medication is a combination of two antibiotics: sulfamethoxazole and...

Yet many people suffer from an upset stomach when taking antibiotics. Diarrhea is a common concern. So are abdominal cramping and gas. In the worst cases, long-term antibiotic use can even lead to ...Antibiotics remain our main treatment response to potentially fatal bacterial diseases, preventing millions of deaths every year, and there is emerging evidence for the benefits of preventive antibiotic administration. For example, preemptive azithromycin use in healthy children in regions with a high child mortality rate can increase survival ...CEPHALEXIN. QTY 30 • 500 MG • Capsule • Near 77381. Add to Medicine Chest. Set Price Alert. More Ways to Save. CEPHALEXIN (sef a LEX in) treats infections caused by bacteria. It belongs to a group of medications called cephalosporin antibiotics. It will not treat colds, the flu, or infections caused by viruses. Pricing.BACTRIM belongs to a group of medicines called antibiotics. There are many different types of medicines used to treat bacterial infections. Sulfamethoxazole ...low red blood cells (anemia) - pale skin, unusual tiredness, feeling light-headed or short of breath, cold hands and feet. Common Merrem side effects may include: headache; nausea, vomiting, diarrhea, constipation; rash; or. anemia. This is not a complete list of side effects and others may occur.Flavors – Many oral medications such as phenylbutazone (bute) and doxycycline (doxy) come flavored (apple, orange, carrot, etc). Occasionally these flavors are enough to disguise the medication in your horse’s feed. When the artificial flavor is not enough, you can top-dress medications with le slices, carrot slices, sugar-free apple …

Antibiotics are agents made from living microorganisms, synthetic manufacturing, and genetic engineering that are used to inhibit specific bacteria.They can be bacteriostatic, bactericidal, or both. The major classes of antibiotics include: aminoglycosides, penicillins and penicillinase-resistant drugs, sulfonamides, tetracyclines, and antimycobacterials (e.g. antitubercular and leprostatic)Flavors - Many oral medications such as phenylbutazone (bute) and doxycycline (doxy) come flavored (apple, orange, carrot, etc). Occasionally these flavors are enough to disguise the medication in your horse's feed. When the artificial flavor is not enough, you can top-dress medications with le slices, carrot slices, sugar-free apple sauce ...Feb 8, 2017 · 1 Answer - Posted in: pill id, pill, national drug code - Answer: Pill imprint H 49 has been identified as Sulfamethoxazole and trimethoprim... Complicated diverticulitis (Fig. . 1) is defined as the presence of an overt abscess, fistula, stricture, bowel obstruction, or peritonitis with perforation [ 14 ]. Free perforation only occurs in 1-2% of patients who present for urgent evaluation [ 16 ]. Moreover, colonic obstruction is rare and occurs due to either acute inflammation from ...Is H49 a drug or antibiotic? I don't want to take it if my job gives me a random drug panel. ## Antibiotics are still drugs, which is why they require a prescription. This one is an antibiotic that is a generic for Bactrim. The FDA lists typical side effects as possibly including nausea, dizzineIndividually, antibiotics and alcohol can cause significant side effects. Most antibiotics come with a risk of nausea, vomiting, and diarrhea. A few antibiotics, like doxycycline and amoxicillin, are actually notorious for those gastrointestinal (GI) effects. Alcohol can also cause nausea, vomiting and diarrhea, as well as dizziness, drowsiness ...

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1. Introduction. Antimicrobial susceptibility testing can be used for drug discovery, epidemiology and prediction of therapeutic outcome. In this review, we focused on the use of antimicrobial testing methods for the in vitro investigation of extracts and pure drugs as potential antimicrobial agents.. After the revolution in the "golden era", when almost all groups of important antibiotics ...Be Antibiotics Aware is the Centers for Disease Control and Prevention's (CDC) national educational effort to help improve antibiotic prescribing and use and combat antibiotic resistance. Antibiotic resistance is one of the most urgent threats to the public's health. Antibiotic resistance happens when germs, like bacteria and fungi, develop ...Sulfamethoxazole and trimethoprim combination is an antibiotic. It works by eliminating the bacteria that cause many kinds of infections. This medicine will not work for colds, flu, or other virus infections. This medicine is available only with your doctor's prescription.HMS H 49 (Lt. P.R. Ward, RN) shifted from Portsmouth to Portland where she was to participate in A/S exercises. [As there are no logs available of HMS H49 from Februaury to MAy 1940 no details regarding these A/S exercises can be given.] (8) 10 May 1940 For the daily positions of HMS H 49 during her 1st war patrol see them map below.The most important antibiotics in H. pylori treatment are clarithromycin, metronidazole, and amoxicillin. Figure. . 1 illustrates recently reported clarithromycin and metronidazole resistance rates worldwide. Resistance to these antibiotics is thought to be the main cause of eradication failure [ 27 - 29 ].

When it comes to treating dental infections, one of the most prescribed medications is the H49 pill. This oral antibiotic is often used to combat bacterial infection that can cause pain, swelling, and discomfort in the mouth. By attacking the root of the infection, the H49 tablet helps relieve symptoms and promotes healing. ...Antibiotics are common agents used in modern healthcare. This was not always the case. From ancient times, people sought ways to treat those with infections. Dyes, molds, and even heavy metals were thought to hold promise for healing.[1] Various microorganisms have medical significance, including bacteria, viruses, fungi, and parasites. Antibiotics are compounds that target bacteria and, thus ...Sulfamethoxazole/trimethoprim is an antibiotic that's a combination of two medications, sulfamethoxazole and trimethoprim. They work together to stop bacteria …Combination of Antibiotics in Bactrim. Bactrim contains a combination of two antibiotics: sulfamethoxazole and trimethoprim. This combination is known as a sequential blockade or synergistic inhibition therapy, as the two antibiotics work together to enhance their effectiveness against a wide range of susceptible bacteria.Sulfamethoxazole, a sulfonamide antibiotic, inhibits the bacterial ...There are several classes of antibiotics that your dentist might prescribe, including: Penicillin Antibiotics for Tooth Infections. Penicillin-type antibiotics are most used for tooth infections. They include amoxicillin and penicillin. However, most people are allergic to these drugs. Thus you need to first discuss with your dentist about any ...Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances. Pill with imprint H 48 is White, Round and has been identified as Sulfamethoxazole and Trimethoprim 400 mg / 80 mg. It is supplied by Aurobindo Pharma.Official answer. by Drugs.com. Sulfamethoxazole/TPM would be ineffective against gonorrhoea and chlamydia. Chlamydia is caused by the bacteria Chlamydia trachomatis. Chlamydia can be treated with a variety of antibiotics, including azithromycin, tetracyclines, quinolones, and erythromycin. Gonorrhea is caused by the bacteria …Antibiotics have a long list of potential side effects. Some are specific to a type of antibiotics, like a risk of hearing loss for aminoglycosides. Others tend to be side effects of many kinds of ...8 antIbIotIc suscePtIble srarotonga 2015 - 2017 (no. tested) uscePtIble new Zealand 2015 Amoxicillin, ampicillin and penicillin 9% (550) 13% Chloramphenicol 95% (259) - Clindamycin 90% (327) 92% Doxycycline 97% (543) 98% Erythromycin 83% (557) 88% Flucloxacillin1 88% (588) 90% Trimethoprim+sulfamethoxazole 94% (618) 99% 1 Flucloxacillin susceptibility (based on cefoxitin disk result ...Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Data sources include Micromedex (updated 1 Apr 2024), Cerner Multum™ (updated 21 Apr 2024), ASHP (updated 10 Apr 2024) and others.

The bottom line. Polysporin, Neosporin, and bacitracin are all OTC antibiotic ointments that you can use to help treat or prevent infection for minor cuts or scrapes. The main difference between these ointments is that they have different ingredients. But all of them contain bacitracin, and two of them contain polymyxin B.

There are several classes of antibiotics that your dentist might prescribe, including: Penicillin Antibiotics for Tooth Infections. Penicillin-type antibiotics are most used for tooth infections. They include amoxicillin and penicillin. However, most people are allergic to these drugs. Thus you need to first discuss with your dentist about any ...Baking soda, or sodium bicarbonate, might help reduce the acidity of your pee and treat some of the symptoms of a mild UTI. Drinking a glass of water with 1 teaspoon of baking soda dissolved in it ..., a common antibiotic, causes an unpleasant reaction with alcohol. Also, some antibiotics can interact with other drugs that people may be taking, possibly reducing the effectiveness or increasing the side effects of the antibiotic or the other drugs. Some antibiotics make the skin sensitive to sunlight. Taking antibiotics to prevent infectionsProphylaxis: Adults: The recommended dosage for prophylaxis in adults is one SEPTRA DS (double strength) tablet daily. Pediatric Patients: For pediatric patients, the recommended dose is 150 mg/m 2 /day trimethoprim with 750 mg/m 2 /day sulfamethoxazole given orally in equally divided doses twice a day, on 3 consecutive days per week.There are several antibiotics that kill the common mouth bacteria that cause tooth infections. The best (first-line) antibiotics for tooth infection include: Amoxicillin, Penicillin, Cephalexin, Clindamycin, Azithromycin. Amoxicillin is often the first choice because it is widely effective and has the fewest gastrointestinal side effects.Life-threatening infections require intravenous therapy. Antibacterials that are well absorbed may be given by mouth even for some serious infections. Parenteral administration is also appropriate when the oral route cannot be used (e.g. because of vomiting) or if absorption is inadequate. Whenever possible, painful intramuscular injections ...Drug Identifier results for "sulfamethoxazole and trimethoprim". Search by imprint, shape, color or drug name.

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Dosage. Dosage is simple; it is the same; 500mg of fish Penicillin is the same as 500mg of human Penicillin. 500mg of fish mox is the same as 500mg of human Amoxicillin, etc. Here are some of the most common fish antibiotics you can find for sale online. Remember to always check the pill’s Imprint Code!Antibiotics are drugs used to treat bacterial infections. They are not effective against viral infections and most other infections. Antibiotics either kill bacteria or stop them from reproducing, allowing the body's natural defenses to eliminate them. Doctors try to use antibiotics for specific bacterial infections, but they sometimes start ...Here are some useful tips: When you see a doctor, don't demand antibiotics. Understand that antibiotics are used for bacterial infections, not symptoms of a cold or flu virus. If a doctor ...Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Data sources include Micromedex (updated 1 Apr 2024), Cerner Multum™ (updated 21 Apr 2024), ASHP (updated 10 Apr 2024) and others.Total outpatient oral antibiotic prescriptions in 2022. Healthcare professionals prescribed 236.4 million antibiotic prescriptions—equivalent to 709 antibiotic prescriptions per 1000 persons. Table 1. Oral antibiotic prescriptions by age, sex, and region a,b —United States, 2022. For each age group, number of prescriptions and rate per 1,000.Antibiotics. For moderate to severe acne, you may need oral antibiotics to reduce bacteria. Usually the first choice for treating acne is a tetracycline (minocycline, doxycycline) or a macrolide (erythromycin, azithromycin). A macrolide might be an option for people who can't take tetracyclines, including pregnant women and children under 8 ...They include aloe vera, honey, tea tree oil, snail mucin, topical vitamin E, and more. Wounds take longer to heal with these remedies. Topical antibiotics: These are considered safer than oral antibiotics, but individuals — especially those who are pregnant — should consult a healthcare provider first.Other names: Respiratory Tract Infection, Upper; URI; URTI. Upper Respiratory Tract Infection (URTI) is a term used to describe acute infections of the nose, throat, ears, and sinuses. Most URTIs are caused by viruses. They are the most common illness to result in missed days off work or school. Symptoms of an URTI include: Sore throat. ….

Technically, "antibiotic" refers only to antimicrobials derived from bacteria or molds but is often (including in THE MANUAL) used synonymously with "antibacterial drug.". (See also Antibiotics in Neonates.) Antibiotics have many mechanisms of action, including the following: Inhibiting cell wall synthesis. Increasing cell membrane ...This medication is a combination of two antibiotics: sulfamethoxazole and trimethoprim. It is used to treat a wide variety of bacterial infections (such as middle ear, urine, respiratory, and ...INTRODUCTION — Patients with skin and soft tissue infections may present with cellulitis, skin abscess, and other forms of infection [].. This topic will discuss treatment of skin abscesses, including large furuncles and carbuncles. (Related Pathway(s): Cellulitis and skin abscesses: Empiric antibiotic selection for adults.) Clinical manifestations and diagnosis of skin abscesses, furuncles ...H49. View Drug. Aurobindo Pharma Limited. Sulfamethoxazole 800 MG / Trimethoprim 160 MG Oral Tablet. OVAL WHITE H 49. View Drug. avpak. sulfamethoxazole and trimethoprim tablet. OVAL WHITE H 49. View Drug. aurobindo pharma limited. Sulfamethoxazole 800 MG / Trimethoprim 160 MG Oral Tablet. OVAL WHITEAn antibiotic medication allergy is a harmful reaction to an antibiotic. The reaction can start soon after you take the medicine, or days or weeks after you stop. Healthcare providers cannot know ahead of time if you will have an allergic reaction. Your immune system may become sensitive to the antibiotic the first time you take it.2. Apply calamine lotion. If you are experiencing a rash or hives caused by an allergic reaction, calamine lotion may help soothe the itching and discomfort. [20] Calamine lotion contains a mixture of calamine, zinc oxide, and other ingredients. Calamine and zinc oxide are both known anti-itch topical medications.This medication is a combination of two antibiotics: sulfamethoxazole and trimethoprim.It is used to treat a wide variety of bacterial infections (such as middle ear, urine, respiratory, and ...Antibiotics are common agents used in modern healthcare. This was not always the case. From ancient times, people sought ways to treat those with infections. Dyes, molds, and even heavy metals were thought to hold promise for healing. Various microorganisms have medical significance, including bacteria, viruses, fungi, and parasites. Bactrim‚ also known as sulfamethoxazole‚ is a combination antibiotic medication used tо treat various bacterial infectiоns. It contains two active ingredients‚ sulfamethoxazole and trimethoprim‚ which work together to inhibit the growth and spread of bacteria. Common brand names for Bactrim include Bacter-Aid DS‚ Bactrim DS ... Antibiotics may decrease hormonal contraceptive efficacy. sulfamethoxazole will decrease the level or effect of levonorgestrel oral/ethinylestradiol/ferrous bisglycinate by altering intestinal flora. Applies only to oral forms of hormone. Low risk of contraceptive failure. Use Caution/Monitor. Antibiotics may decrease hormonal contraceptive ... H49 antibiotics, 1. Introduction. Antimicrobial susceptibility testing can be used for drug discovery, epidemiology and prediction of therapeutic outcome. In this review, we focused on the use of antimicrobial testing methods for the in vitro investigation of extracts and pure drugs as potential antimicrobial agents.. After the revolution in the “golden era”, when …, Sulfamethoxazole ( SMZ or SMX) is an antibiotic. It is used for bacterial infections such as urinary tract infections, bronchitis, and prostatitis and is effective against both gram negative and positive bacteria such as Escherichia coli and Listeria monocytogenes. [1] Common side effects include nausea, vomiting, loss of appetite, and skin rashes., Metronidazole and clindamycin are the preferred antibiotics for treating bacterial vaginosis. according to the CDC. The full list of treatment options includes: 500 mg metronidazole by mouth, twice a day for seven days. 0.75% metronidazole gel inserted into the vagina, once a day for five days. 2% clindamycin cream inserted into the vagina ..., Bactrim DS (sulfamethoxazole and trimethoprim) is a combination antibiotic used to treat ear infections, urinary tract infections, bronchitis, traveler's diarrhea, shigellosis, and Pneumocystis jiroveci pneumonia. Sulfamethoxazole and trimethoprim may also be used for purposes not listed in this medication guide. Important Information, Trimethoprim/Sulfamethoxazole. Generic Name: Trimethoprim/Sulfamethoxazole; Brand Name: Bactrim; Drug Class: Antibiotics, Combos, Sulfonamides., 1. Introduction. The current problems of multidrug resistance (MDR) and emerging superbugs have led to decreased and even loss of antibiotic efficacy [], which greatly hinders the treatment of infectious diseases; as a result, there is great demand for finding novel antibiotics that are effective and safe [].In 2021, the World Health Organization (WHO) reported that antibiotic resistance is a ..., Drugs.com provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Data sources include Micromedex (updated 1 Apr 2024), Cerner Multum™ (updated 21 Apr 2024), ASHP (updated 10 Apr 2024) and others., Results 1 - 1 of 1 for " h49 White and Oval". 1 / 3. H 49. Sulfamethoxazole and Trimethoprim. Strength. 800 mg / 160 mg. Imprint. H 49. Color. , Metronidazole (also known by the brand names Flagyl, Metizol, Protostat, Metrogel) is a strong antibiotic primarily used as an antidiarrheal to treat inflammation of the large intestine. It’s ..., Sulfamethoxazole (SMZ or SMX) is an antibiotic.It is used for bacterial infections such as urinary tract infections, bronchitis, and prostatitis and is effective against both gram negative and positive bacteria such as Escherichia coli and Listeria monocytogenes.. Common side effects include nausea, vomiting, loss of appetite, and skin rashes.It is a sulfonamide …, HMS H 49 (Lt. P.R. Ward, RN) shifted from Portsmouth to Portland where she was to participate in A/S exercises. [As there are no logs available of HMS H49 from Februaury to MAy 1940 no details regarding these A/S exercises can be given.] (8) 10 May 1940 For the daily positions of HMS H 49 during her 1st war patrol see them map below., Antibiotics. The doctor may prescribe antibiotics if your sixth nerve palsy is caused by a bacterial infection. Steroids. Prescription-strength corticosteroids can treat sixth nerve palsy caused ..., Policy. One risk of antibiotic use is infection with a germ called Clostridioides difficile ( C. diff ). " C. diff is a severe, difficult-to-treat infection," says family medicine specialist ..., H49. View Drug. aurobindo pharma limited. sulfamethoxazole 800 mg / trimethoprim 160 mg oral tablet. OVAL WHITE H49. View Drug ..., A recent Cochrane review found that while it is an effective treatment for shigellosis it also produces more significant adverse effects than other antibiotic drugs. Staphylococcus aureus infections: No: No: No: In vitro and in vivo activity against both non-resistant and methicillin-resistant Staphylococcus aureus (MRSA) infections., Diarrhea is a common problem caused by antibiotics which usually ends when the antibiotic is discontinued. Sometimes after starting treatment with antibiotics, patients can develop watery and bloody stools (with or without stomach cramps and fever) even as late as two or more months after having taken the last dose of the antibiotic. ..., Asymptomatic bacteriuria does not require antibiotic therapy for most patients. Antibiotics are only indicated for: Pregnancy: cystitis treatment; Urological procedure: 1 dose prior to procedure and 1 to 2 doses after; Catheter associated UTIs (CAUTI) require change in catheter and then may be treated based on site of infection, Weakened immune system. You may need prophylactic antibiotics before a procedure if you have a weakened immune system. Some reasons you might have a weak immune system can include: HIV ..., Considerations when prescribing trimethoprim-sulfamethoxazole. Introduced in 1968, trimethoprim-sulfamethoxazole remains a popular antibiotic because of its low cost, effectiveness and familiarity among clinicians. It is the most frequently prescribed antibiotic for urinary tract infections in Canada. 1 Other indications include treatment ..., Bactrim is considered safe enough for dogs (when it’s used responsibly). Vets prescribe this antibiotic for various infections, but a diagnosis is an absolute must. You must be very familiar with side effects. And monitoring of your dog is essential while they are on this prescription and never, ever administer your own supply of Bactrim., Zerbaxa. Zerbaxa (ceftolozane and tazobactam) is a cephalosporin and beta-lactamase inhibitor combination for the treatment of complicated urinary tract infections including pyelonephritis. It may also be used for infection of the lungs or stomach. Zerbaxa was first approved in December 2014., Sulfamethoxazole and trimethoprim combination is an antibiotic. It works by eliminating the bacteria that cause many kinds of infections. This medicine will not work for colds, flu, or other virus infections. This medicine is available only with your doctor's prescription. This product is available in the following dosage forms: Tablet; Suspension, Antibiotics are no longer routinely used to treat: chest infections; ear infections in children; sore throats; When it comes to antibiotics, take your doctor's advice on whether you need them or not. Antibiotic resistance is a big problem – taking antibiotics when you do not need them can mean they will not work for you in the future., Antibiotics Quiz. Last Reviewed: March 25, 2021. Source: Centers for Disease Control and Prevention, National Center for Emerging and Zoonotic Infectious Diseases (NCEZID), Division of Healthcare Quality Promotion (DHQP) Taking antibiotics? Information you need to know to get better and stay healthy., IV: 8 to 10 mg/kg/day (trimethoprim component) IV in 2 to 4 equally divided doses (every 6, 8, or 12 hours) for 5 days. Maximum dose: 960 mg/day (trimethoprim component) Oral: Sulfamethoxazole-trimethoprim 800 mg-160 mg orally every 12 hours for 5 days. Comments:, This medication is a combination of two antibiotics: sulfamethoxazole and trimethoprim. It is used to treat a wide variety of bacterial infections (such as middle ear, urine, respiratory, and ..., Both antibiotics also cross the placenta and are excreted in human milk. Bacterial resistance is less likely to develop with the combination of sulfamethoxazole and trimethoprim than if either ingredient (sulfamethoxazole or trimethoprim) is taken alone., Results 1 - 1 of 1 for " h49 White and Oval". 1 / 3. H 49. Sulfamethoxazole and Trimethoprim. Strength. 800 mg / 160 mg. Imprint. H 49. Color., Can use even if oral cephalosporin is ineffective. Considered if adherence is likely to be poor. 2nd-line alternative, consider using with a cephalosporin. * Treatment duration is typically 10 days for children < 2 years and 7 days for older children unless otherwise specified. Antibiotics are given orally unless otherwise specified., Antibiotics should be changed to narrow spectrum agents once sensitivities are known Dose adjustments may be necessary for neonates, and for children with renal or hepatic impairment Alternative antimicrobial regimens may be more appropriate for neonates, immunocompromised patients or others with a special infection risk (e.g. cystic fibrosis ..., Jan 26, 2023 · Here’s what you need to know about antibiotic resistance, interactions, and when to take antibiotics. What Pharmacists Say About How Fast Bactrim Starts to Work for UTIs (Plus 4 More Tips) Bactrim is an antibiotic medication often used for urinary tract infections. , redness, swelling, or soreness of the tongue. seizures. soreness of the muscles. stiff neck or back. stomach tenderness. swelling of the face, hands, legs, and feet. unsteadiness, trembling, or other problems with muscle control or coordination. weakness in the hands or feet. weakness or heaviness of the legs., The dose of the most commonly prescribed form of penicillin for horses is 3000 units per pound of body weight. This equates to 1.0 ml of Penicillin for every 100 pounds the horse weighs, once a day. So, if your horse weighs around 850 pounds, he would get 8.5ml of Penicillin daily.