Clindamycin palmitate is belongs to a kind of antibacterial drugs, prolonged use may cause allergic reactions, effects on the gastrointestinal tract and kidneys. 1. Allergic reaction: the main component of Clindamycin Palmitate is Clindamycin Palmitate Hydrochloride, some patients may experience skin itching, pimples, dyspnea, swelling of the larynx, etc., the drug should be stopped immediately, and seek medical attention promptly. 2. Gastrointestinal reactions: generally common will cause stomach upset, vomiting, diarrhea and other symptoms, with gastrointestinal diseases, should be taken under the guidance of a doctor. 3. Kidney reaction: long-term use may appear urinary difficulties, oliguria, hematuria, etc., renal function is not recommended for long-term use, so as not to aggravate kidney damage. If the medication does not improve the condition, you should seek medical advice, do not continue to take, to avoid the impact on the body.