Prescription requiredBronchodilator / Anti-asthmatic

THEO ASTHALIN SY 100ML — Side Effects & Warnings

Known side effects of THEO ASTHALIN SY 100ML include Tremor, headache, nervousness, palpitations, fast heartbeat (tachycardia), nausea, vomiting, stomach upset, restlessness, insomnia. Not everyone experiences these side effects.

Common Side Effects

Tremor
headache
nervousness
palpitations
fast heartbeat (tachycardia)
nausea
vomiting
stomach upset
restlessness
insomnia

This is not an exhaustive list. Consult your doctor if you notice any unusual symptoms.

Important Warnings

Use only on medical advice, especially in children and elderly. Caution in heart disease/arrhythmias, hypertension, hyperthyroidism, diabetes, seizure disorders, liver disease, and peptic ulcer. Theophylline has a narrow safety margin—overdose can cause severe nausea/vomiting, rapid/irregular heartbeat, seizures; seek urgent care if suspected. Smoking, fever, and liver impairment can alter theophylline levels. Not for sudden severe asthma attack unless advised; follow your asthma action plan.

Drug Interactions

THEO ASTHALIN SY 100ML may interact with the following:

Theophylline interactions: erythromycin/clarithromycin
ciprofloxacin
cimetidine (increase levels/toxicity); rifampicin
phenytoin
carbamazepine
smoking (decrease levels). Salbutamol interactions: non-selective beta-blockers (e.g.
propranolol) reduce effect; other sympathomimetics increase side effects; diuretics/corticosteroids/xanthines may increase risk of low potassium; MAO inhibitors/TCAs may potentiate cardiovascular effects.

Always tell your doctor about all medicines you are taking, including over-the-counter drugs and supplements.

Pregnancy Safety

Use with caution / Consult doctor

Alcohol Interaction

Use with caution (may increase side effects like palpitations, dizziness and affect theophylline levels)

Habit Forming

Storage

Store below 25°C in a cool, dry place. Protect from light and moisture. Keep bottle tightly closed and out of reach of children.

THEO ASTHALIN SY 100ML — Safety Summary

Composition: Theophylline + Salbutamol (as Salbutamol sulphate) syrup (strengths per 5 mL vary by brand/label)
Prescription: Required (Rx)
Pregnancy: Use with caution / Consult doctor
Alcohol: Use with caution (may increase side effects like palpitations, dizziness and affect theophylline levels)
Habit forming: No

THEO ASTHALIN SY 100ML — Safety FAQs

What should I do if I experience side effects?

Mild side effects often resolve on their own. If side effects are severe or persistent, stop the medicine and consult your doctor immediately.

Are all listed side effects common?

No. Some side effects are common while others are rare. Not everyone experiences side effects. Consult your doctor if you are concerned.

Can I take this medicine with other drugs?

Some medicines interact with each other. Always inform your doctor about all medicines you are currently taking.

When should I seek emergency help?

Seek immediate medical attention if you experience severe allergic reactions (difficulty breathing, swelling of face/throat), chest pain, or any life-threatening symptoms.

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Safety disclaimer

This information is for educational purposes only and is not a substitute for professional medical advice. If you experience severe side effects, seek medical attention immediately.