A cold or the flu can make you feel miserable, but most people get better at home with rest and simple comfort measures. Home remedies cannot cure a virus, and antibiotics do not work against colds or flu, but some practical steps can ease a blocked nose, a sore throat and a cough while your body recovers. Here are 10 safe home remedies for cold and flu, what to avoid, and when to see a doctor.
Please note: This article is general information, not personal medical advice. Babies, young children, pregnant women, older adults and people with long-term conditions should check with a doctor or pharmacist before trying remedies or medicines. Read our Medical Disclaimer.
Cold or Flu: What Is the Difference?
Colds and flu are both caused by viruses and have similar symptoms, but flu usually starts suddenly and feels worse.
| Symptom | Common Cold | Flu |
|---|---|---|
| Start | Gradual, over a day or two | Sudden |
| Fever | Uncommon or mild | Common, can be high |
| Body aches | Mild | Often strong |
| Tiredness | Mild | Often severe |
| Runny or blocked nose | Very common | Sometimes |
| Sneezing and sore throat | Common | Sometimes |
10 Home Remedies for Cold and Flu
1. Rest and Sleep
Your body fights infection better when it is rested. Stay home if you can, sleep when you feel tired and avoid hard exercise until the fever has gone. Resting also protects other people from catching the virus.
2. Drink Plenty of Fluids
Fever, sweating and a runny nose make you lose fluid. Water, clear soups, diluted juice and oral rehydration drinks help you stay hydrated and keep the mucus thinner. Pale yellow urine is a good sign that you are drinking enough.
3. Have Warm Soup or Broth
A bowl of chicken soup or a light daal soup is easy to eat when your appetite is poor. It gives you fluid, salt and some nutrition, and the warm steam can feel soothing for a blocked nose.
4. Try Honey for a Cough
A spoonful of honey, plain or stirred into warm water or tea, can soothe a sore throat and ease a night-time cough. Studies in children suggest honey may help cough symptoms a little.
Safety tip: Never give honey to babies under 12 months old, because of the risk of infant botulism.
5. Gargle with Salt Water
Stir half a teaspoon of salt into a glass of warm water and gargle for a few seconds, then spit it out. This can ease a scratchy or sore throat. It is only suitable for older children and adults who can gargle without swallowing.
6. Rinse Your Nose with Saline
Saltwater (saline) sprays or rinses help clear mucus and make breathing easier. Use a ready-made saline spray or follow the instructions on a nasal rinse kit.
Safety tip: If you make your own rinse, use distilled water or water that has been boiled and cooled. Never use plain tap water for nasal rinsing, as it can carry harmful germs.
7. Add Moisture to the Air
Dry air can irritate a blocked nose and sore throat. A cool-mist humidifier in the bedroom, or sitting in a bathroom filled with steam from a hot shower, can make breathing feel more comfortable. Clean a humidifier every day so it does not grow mould.
Safety tip: Do not lean over a bowl of boiling water to breathe steam, especially with children. Scalds from hot water are common and serious.
8. Sip a Warm Drink
Warm water with lemon and honey, or a simple ginger or herbal tea, is comforting when your throat is sore. These drinks are not proven to cure a cold, but the warmth and fluid can help you feel better. If you take regular medicines, ask a pharmacist before using strong herbal products.
9. Raise Your Head When You Sleep
Lying flat can make a blocked nose and cough worse at night. An extra pillow can help mucus drain and make sleeping easier for adults and older children.
Safety tip: Do not put pillows in a baby’s cot. Ask your doctor about safe ways to help a baby with a cold.
10. Avoid Smoke and Other Irritants
Cigarette smoke, strong perfumes and dusty air make coughing and throat irritation worse. If you smoke, avoid smoking while you are unwell, and do not let anyone smoke around you or your children.
What to Avoid
- Antibiotics for a cold or flu. They only work on bacteria, not viruses, and should be taken only when a doctor prescribes them.
- Aspirin for children and teenagers. It can cause a rare but serious illness called Reye’s syndrome.
- Cough and cold medicines for young children without asking a doctor or pharmacist first.
- Doubling up on medicines. Many cold and flu products contain the same ingredient, such as paracetamol, so check labels carefully.
- Unproven “miracle cures” sold online or on social media.
When to See a Doctor
Get medical help urgently if you or your child has difficulty breathing, chest pain, confusion, blue lips, a stiff neck with severe headache, or cannot keep fluids down.
Speak to a doctor if:
- Symptoms last longer than about 10 days or keep getting worse
- You have a high fever that does not settle
- You have a long-term condition such as asthma, diabetes, heart or kidney disease, or a weak immune system
- You are pregnant, over 65, or caring for a baby or very young child with a fever
- A cough or sore throat becomes severe or you cough up blood
How to Avoid Spreading It
- Wash your hands often with soap and water for at least 20 seconds.
- Cover coughs and sneezes with a tissue or your elbow, and throw tissues away.
- Stay home while you have a fever or feel unwell.
- Do not share cups, towels or utensils.
Frequently Asked Questions
How long does a cold last?
Most colds get better within about a week to 10 days, although a cough can last longer. Flu often leaves people tired for a week or more.
Does vitamin C cure a cold?
No. Research suggests vitamin C does not prevent colds in most people, and any effect on how long a cold lasts is small. Eating a balanced diet with fruit and vegetables is a better habit.
Are antibiotics useful for cold and flu?
No. Cold and flu are caused by viruses, and antibiotics do not kill viruses. Taking them unnecessarily can cause side effects and contribute to antibiotic resistance.
Is honey safe for children?
Honey is generally considered safe for children over 12 months old. It should never be given to babies under one year.
Can the flu vaccine help?
Yes. A yearly flu vaccine lowers the chance of catching flu and can make illness milder. Ask your doctor whether it is recommended for you.
Conclusion
The best home remedies for cold and flu are simple: rest, plenty of fluids, warm drinks and soups, moist air, and gentle care for your throat and nose. They will not make the virus disappear, but they can make you more comfortable while you recover. Pay attention to warning signs, and do not hesitate to see a doctor if you or your child is not improving.
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Last updated: October 2026. This article has not been medically reviewed.