Daniel BrÃ¼hl and Luke Evans have been cast in key roles in TNT's The Alienist. Daniel BrÃ¼hl and Luke Evans have been cast in key roles in TNT's The Alienist. Click to Skip Ad
Side Effects. Drontal has very few side effects and is generally safe. Some cats may vomit after receiving the dewormer. Rarely, a cat might appear disoriented or wobble around for a short time after taking Drontal. If your cat exhibits any side effects, call your veterinarian.
Like many antibiotics, clindamycin can cause gastrointestinal upset. Common side effects of clindamycin include diarrhea, nausea, vomiting, abdominal pain or constipation. Some people complain of a metallic taste in their mouth when on the drug. Colitis, an inflammation of the colon, can occur.