The antihistamine in this medicine will add to the effects of alcohol and other CNS depressants medicines that slow down the nervous system, possibly causing drowsiness. Some examples of CNS depressants are other antihistamines or medicine for hay fever, other allergies, or colds; sedatives, tranquilizers, or sleeping medicine; prescription pain medicine or narcotics; barbiturates; medicine for seizures; muscle relaxants; or anesthetics, including some dental anesthetics.
Check with your doctor before taking any of the above while you are taking this medicine. The antihistamine in this medicine may cause some people to become drowsy, dizzy, or less alert than they are normally. Some antihistamines are more likely to cause drowsiness than others loratadine , for example, rarely produces this effect. Make sure you know how you react before you drive, use machines, or do anything else that could be dangerous if you are dizzy or are not alert. The decongestant in this medicine may add to the central nervous system CNS stimulant and other effects of diet aids.
Do not use medicines for diet or appetite control while taking this medicine unless you have checked with your doctor. The decongestant in this medicine may cause some people to be nervous or restless or to have trouble in sleeping.
If you have trouble in sleeping, take the last dose of this medicine for each day a few hours before bedtime. If you have any questions about this, check with your doctor. Antihistamines may cause dryness of the mouth, nose, and throat. Some antihistamines are more likely to cause dryness of the mouth than others loratadine , for example, rarely produces this effect.
For temporary relief, use sugarless candy or gum, melt bits of ice in your mouth, or use a saliva substitute. However, if your mouth continues to feel dry for more than 2 weeks, check with your dentist. Continuing dryness of the mouth may increase the chance of dental disease, including tooth decay, gum disease, and fungus infections. Along with its needed effects, a medicine may cause some unwanted effects.
Although not all of these side effects may occur, if they do occur they may need medical attention. Although serious side effects occur rarely when this medicine is taken as recommended, they may be more likely to occur if: too much medicine is taken, it is taken in large doses, or it is taken for a long period of time. Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine.
Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:. Other side effects not listed may also occur in some patients.
If you notice any other effects, check with your healthcare professional. Some cold medications can be taken at the same time without issue, but other combinations can pose safety concerns. Most multi-symptom cold and cough medications should not be combined with each other. If you need to take more than one medication at a time, always check the labels and be sure you aren't taking multiple medications with the same or similar active ingredients.
If you are taking single symptom medications, in general, it is OK to take several medications as long as they do different things.
For example, taking a decongestant, expectorant, and pain reliever would be OK, but taking two decongestants would not. To help make it a little simpler, the following is a list of some of the most common OTC cold and flu medications that are available in the U. Review which ones can safely be combined and which ones you shouldn't mix. If you don't see the medications you want to take on the list, talk to your healthcare provider or pharmacist to ensure it's safe to combine with others.
Possible active ingredients:. Alternating with ibuprofen is OK as long as you are not taking more acetaminophen than is recommended in a hour period or with each dose. Many multi-symptom medications also contain acetaminophen and should not be taken with Tylenol or generic acetaminophen. Always read the ingredient label on the medications you are taking. Do not take more than one medication that contains the active ingredient acetaminophen. The U. Food and Drug Administration warns of the danger of accidentally overdosing on acetaminophen when taking multiple OTC cold and flu medications that contain it.
An overdose can cause irreparable liver damage and even lead to death. Alternating with acetaminophen is OK as long as you are not taking more than is recommended of each medication in a hour period or with each dose.
There are not as many multi-symptom medications that contain ibuprofen as compared to acetaminophen, but you should always review the labels anyway. Aspirin should not be combined with other pain relievers unless specifically instructed by a healthcare provider. Pepto-Bismol also contains a derivative of aspirin and should be used with caution if you are taking aspirin. Medications containing aspirin and salicylates should never be given to a child or teen under age 19 unless specifically instructed by their healthcare provider.
When taken during a viral illness, it can cause Reye's syndrome and harm the liver and brain. Naproxen should not be combined with other pain relievers unless specifically directed by your healthcare provider. The active ingredient in Robitussin is dextromethorphan. How well this medication works is debatable, but it should not be combined with other medications that contain a cough suppressant.
Always read the label of every medication you take. Women should avoid using them during the first trimester of pregnancy and possibly throughout pregnancy. That means these drugs may have side effects in a child who is breastfed by someone who takes these drugs. For example, pseudoephedrine may cause irritability and sleep changes in the child.
In the mother, both drugs may decrease milk production. While pseudoephedrine and phenylephrine are similar in many ways, they also have some real differences. These include:. They can help you determine if pseudoephedrine, phenylephrine, or another drug would be a good choice for you.
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Ask a doctor or pharmacist for dosage instructions. Other combination ingredients brompheniramine cetirizine dextromethorphan fexofenadine guaifenesin ibuprofen loratadine naproxen acetaminophen chlorpheniramine codeine dextromethorphan doxylamine guaifenesin ibuprofen promethazine Potential for misuse?
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Immediate release: Take 60 mg every 4—6 hours, when needed. Children age 6—11 Immediate release: 30 mg every 4 to 6 hours as needed.
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