Belladonna Side Effects

Belladonna is a naturally occurring mixture, according to Drugs.com. Belladonna is used to treat gastrointestinal spasms, colitis, spastic bladder, renal and biliary colic, ulcers and irritable bowel syndrome. However, there are side effects that users should be aware of.

Allergic Reaction

Many of those who take belladonna have an unexpected allergic reaction which causes swelling on the face and difficulty breathing. Those with such allergic reactions should avoid taking belladonna.

Heart Rate

Belladonna can speed up the heart rate, making belladonna dangerous for those with heart conditions.

Rash

Those who take belladonna sometimes develop a rash or flushing.

Eye Pain

Eye pain is reported by some individuals who take belladonna.

Less Common Side Effects

Other side effects that takers of belladonna might experience are headache, dizziness, lightheadedness, fatigue, anxiety, blurred vision, sensitivity to light, nausea, reduced sweating, constipation, urination problems and nasal stuffiness.