You will begin to feel relief of the UTI symptoms after being on clindamycin for a short time. However, continue to take the medication as prescribed and finish the full course to ensure that the infection has truly been eliminated. If you miss a dose of clindamycin, try to take it as soon as you remember. If it is almost time for the next dose, skip the missed dose and take your next dose at the regular time. Clindamycin and uti dosage. Common Questions and Answers about Clindamycin and uti dosage. benzaclin. for one thing a uti has to be cultured NOT ALL antibiotics work for all infections they have to be specific to the bacteria involved or you will make your kitty very ill and not even help the uti..besides a medication prescribed for you at say 150lbs would need to be cut down to a minute. Clindamycin is indicated for the treatment of severe infections caused by susceptible Gram-positive aerobic organisms, staphylococci (penicillinase / and non- penicillinase producing), streptococci (with the exception of Streptococcus faecalis) and pnuemonicocci or by susceptible anaerobic organisms. Doctors give unbiased, trusted information on the benefits and side effects of Cleocin to treat Urinary Tract Infections: Dr. Klauber on clindamycin uti dosage: This combination is used often especially in recurrent episodes or treatment resistant to a single or 2 drugs. Don;t stop anything unless you talk it over with your physician. Yes, but bactrim and cipro are the meds of choice for UTI's. Clindamycin is very strong and it kills off all bacteria good and bad, so, you need to thoroughly read the side effects fact sheet and make sure you know what the signs of a reaction to this medicine is. In some cases, the dosage of Clindamycin for dogs would be around 5 milligrams for every pound that the dog weighs. This dose should probably be given once every 24 hours for around 7 days. So, with that being said most likely the dosage for a 60 pound dog would be about 300 milligrams around every 24 hours. Another way that could be helpful is to put betadine on the sore around every 8 hours. UTI. Clindamycin is a very unusual antibiotic to be used in treating a UTI unless it is due to a staphylococcus. The dosage, assuming the therapy is appropriate, is from 300 to 600mg three times a day, although it may be very difficult to tolerate because of GI side-effects if given orally. -Clindamycin should be reserved for penicillin-allergic patients or other patients for whom a penicillin is not appropriate. -Combination therapy with additional antibiotics may be required according to standard treatment protocols. Medscape - Infection-specific dosing for Cleocin, Clindesse (clindamycin), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information.