Like all medicines, Tonight can cause side effects, although not everybody gets them. Side effects are often moderate and temporary.
Common Side Effects:
- Drowsiness the day after use
- Dizziness or lack of coordination
- Dryness of the mouth, nose, or throat
- Headache or muscle weakness
- Thick mucus in the nose
Severe Side Effects (Rare):
Contact your doctor immediately if you experience any of the following:
- Fast, pounding, or irregular heartbeat
- Low blood pressure or fainting
- Difficulty urinating or constipation
- Chills, nervousness, or irritability
- Blurred vision or increased acid reflux
This medicine is indicated as an aid for the relief of temporary sleep disorders.