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.
SIDE EFFECTS: Dizziness, headache, diarrhea, nausea, stomach pain, loss of appetite, constipation, changes in taste, and dry mouth may occur.If any of these effects persist or worsen, notify your doctor or pharmacist promptly. This drug may cause urine to darken in color.This is harmless.ell your doctor immediately if any of these rare but very serious side effects occur: eye pain, severe/persistent headache, sudden vision changes, stiff/painful neck, sore throat, persistent fever, unusual bleeding/bruising, severe stomach pain, persistent nausea/vomiting.