Read the side effects of Hyoscyamine as described in the medical literature. In case of any doubt consult your doctor or pharmacist.
Central Nervous System
Headache, nervousness, drowsiness, weakness, dizziness, confusion, sleeplessness, fever, excitability, restlessness, tremor, speech disturbances and involuntary muscle movement.
Palpitations and fast heart beat.
Allergic reactions, skin rash and flushing.
Eye and ENT
Nasal congestion, altered taste, dilation of the pupil, paralysis of the ciliary muscle, blurred vision, increased ocular tension and loss of taste.
Dry mouth, nausea, vomiting, difficulty in swallowing, heartburn constipation and bloated feeling.
Urinary hesitancy and retention and impotence.
Suppressed lactation and decreased sweating.
Other Precautions :
*Avoid excess dosage.