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Cold and Allergy Remedies
In general, whether you take medicines for your cold or not, you'll get better in about a week. Rest and liquids are the best treatment for a cold. Antibiotics will not help. But nonprescription medicines help relieve some cold symptoms, such as nasal congestion and cough.
Allergy symptoms, especially runny nose, often respond to antihistamines. Antihistamines are also found in many cold medicines, often together with a decongestant. But the value of antihistamines in treating cold symptoms is under debate.
Decongestants
Decongestants make breathing easier by shrinking swollen mucous membranes in the nose, allowing air to pass through. They also help relieve runny nose and postnasal drip, which can cause a sore throat.
Decongestants can be taken orally or used as nose drops or sprays. Oral decongestants (pills) are probably more effective and provide longer relief, but they cause more side effects. Pseudoephedrine (the active ingredient in products such as Sudafed) is an oral decongestant. In some states, medicines containing pseudoephedrine (such as Sudafed) are kept behind the pharmacist's counter or require a prescription. You may need to ask the pharmacist for it or have a prescription from your doctor to buy the medicine.
Sprays and drops provide rapid but temporary relief. Nasal sprays containing phenylephrine (such as Neo-Synephrine) are effective. Sprays and drops are less likely to interact with other drugs than oral decongestants are. Saline nose drops are not decongestants but may help keep nasal tissues moist so the tissues can filter air.
Decongestant precautions
- Don't give cold medicines or oral decongestants to a child younger than 2 unless you've checked with the doctor first. If your child’s doctor tells you to give a medicine, be sure to follow what he or she tells you to do. Nonprescription cold medicines have not been proved effective for preschool children.
- Don't use medicated nasal sprays or drops more than 3 times a day or for more than 3 days in a row. Continued use will cause a "rebound effect," in which your mucous membranes swell up more than before you used the spray.
- Drink extra fluids when taking cold medicines.
- Decongestants can cause problems for people who have certain health problems, such as heart disease, high blood pressure, glaucoma, diabetes, or an overactive thyroid. Decongestants may also interact with some drugs, such as certain antidepressants and high blood pressure medicines. Read the package carefully or ask your pharmacist or doctor to help you choose the best decongestant for you.
- If you are pregnant, check with your doctor or pharmacist before using a decongestant.
Cough preparations
Coughing is your body's way of getting foreign substances and mucus out of your respiratory tract. Coughs are often useful, and you shouldn't try to stop them. Sometimes, though, coughs are severe enough to impair breathing or prevent rest.
WebMD Medical Reference from Healthwise
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