Read the side effects of Diltiazem as described in the medical literature. In case of any doubt consult your doctor or pharmacist.
Central Nervous System
Headache, depression, hallucinations, sleeplessness, tremor, dizziness, fatigue and flushing.
Nausea, increased thirst, vomiting, GI discomfort and gum swelling.
Rash, redness and photosensitivity.
Eye and ENT
Eye irritation and ringing in the ear.
Dry mouth, ankle swelling, low blood pressure and shortness of breath.
Other Precautions :
* Avoid excess dosage.