Medicine for viral fever and cold
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Here is a clear, practical guide to medicines for viral fever and cold, based on authoritative medical textbooks (Harrison's Principles of Internal Medicine 22E and Swanson's Family Medicine Review):
Medicines for Viral Fever and Cold
Core Principle
Viral fever and the common cold are self-limiting - they resolve on their own in 5-14 days. Treatment is entirely symptomatic (to relieve discomfort). Antibiotics have no role and should not be used.
1. Fever, Body Aches & Sore Throat
| Medicine | Dose (Adults) | Notes |
|---|---|---|
| Paracetamol (Acetaminophen) | 500-1000 mg every 4-6 hours | First choice; safe, well-tolerated |
| Ibuprofen (NSAID) | 400 mg every 6-8 hours with food | Also reduces inflammation; avoid on empty stomach |
| Aspirin | 300-600 mg | Avoid in children under 16 (risk of Reye's syndrome) |
From Harrison's Principles of Internal Medicine: "Treatment of fever and its symptoms with routine antipyretics does no harm and does not slow the resolution of common viral and bacterial infections."
2. Nasal Congestion
| Medicine | Type | Notes |
|---|---|---|
| Oxymetazoline nasal spray | Topical decongestant | 2 sprays each nostril, twice daily - use for max 5 days only (rebound congestion if overused) |
| Pseudoephedrine | Oral/systemic decongestant | Effective; avoid in hypertension, heart disease |
| Phenylephrine | Oral decongestant | Available OTC in combination products |
| Saline nasal drops/spray | Non-drug | Safe for all ages, no side effects; useful in infants |
3. Runny Nose (Rhinorrhea)
| Medicine | Notes |
|---|---|
| Ipratropium bromide nasal spray | Reduces rhinorrhea directly |
| First-generation antihistamines (chlorpheniramine, diphenhydramine) | Help with rhinorrhea and sneezing due to anticholinergic effect; cause drowsiness |
| Note: Second-generation antihistamines (cetirizine, loratadine) are not effective for cold-related rhinorrhea |
4. Cough
| Medicine | Notes |
|---|---|
| Dextromethorphan | Cough suppressant; mild benefit in adults |
| Benzonatate (Tessalon Perles) | Cough suppressant |
| Honey | Effective for children >1 year for soothing cough/sore throat (safer than medicines) |
| Codeine/opioids | Effective but avoid due to sedation, dependence risk |
From Swanson's Family Medicine: "Use of centrally acting sympathomimetics, such as dextromethorphan and codeine, is not recommended for cough caused by viral illness in children. Antihistamine-decongestant combinations are no more effective than placebos for cough in children."
5. Combination OTC Products
Many common cold medicines combine a decongestant + analgesic + antihistamine (e.g., brands like Coldact, Vicks, D-Cold). These are convenient but check ingredients to avoid doubling up on any single drug.
Important Notes
- Children under 6: Do NOT use cough and cold medicines - risk of serious adverse effects. Use saline drops, honey (>1 yr), and cool-mist humidifiers instead.
- Antibiotics: Absolutely not indicated for viral infections.
- Rest and fluids: Essential alongside any medication.
- Seek medical attention if: fever >102°F (39°C), chest pain, shortness of breath, symptoms lasting >14 days, ear or sinus pain develops, or confusion.
What Does NOT Work (Despite Popular Use)
- Vitamin C, Zinc lozenges, Echinacea, inhaled steam, garlic, and intranasal corticosteroids have NOT been proven to shorten the duration of a cold. - Harrison's Principles of Internal Medicine 22E
Sources: Harrison's Principles of Internal Medicine 22E (2025) | Swanson's Family Medicine Review
Disclaimer: This is general medical information. Please consult a doctor for personalized advice, especially for children, the elderly, pregnant women, or those with underlying medical conditions.
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