What should I tell my care team before I take this medication?
They need to know if you have any of these conditions:
- Diabetes
- Glaucoma
- Heart disease
- High blood pressure
- Lung or breathing disease, such as COPD or asthma
- Taken an MAOI, such as Marplan, Nardil, or Parnate in the last 14 days
- Thyroid disease
- Trouble passing urine
- An unusual or allergic reaction to fexofenadine, pseudoephedrine, other medications, foods, dyes, or preservatives
- Pregnant or trying to get pregnant
- Breastfeeding
What may interact with this medication?
Do not take this medication with any of the following:
- Ergot alkaloids, such as dihydroergotamine, ergotamine, methylergonovine
- MAOIs, such as Marplan, Nardil, and Parnate
This medication may also interact with the following:
- Alcohol
- Antihistamines for allergy, cough, and cold
- Certain medications for bladder problems, such as oxybutynin or tolterodine
- Certain medications for depression, such as amitriptyline or trazodone
- Certain medications for Parkinson disease, such as benztropine or trihexyphenidyl
- Certain medications for stomach problems, such as dicyclomine or hyoscyamine
- Certain medications for travel sickness, such as scopolamine
- Fruit juice, such as grapefruit, orange, or apple juice
- Medications that cause drowsiness before a procedure
- Opioids for pain or cough
- St. John's wort
- Stimulant medications for ADHD, weight loss, or staying awake
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
What should I watch for while using this medication?
Visit your care team for regular checks on your progress. Tell your care team if your symptoms do not start to get better or if they get worse. If you need to use this medication for more than 7 days, talk to your care team.
This medication may affect your coordination, reaction time, or judgment. Do not drive or operate machinery until you know how this medication affects you. Sit up or stand slowly to reduce the risk of dizzy or fainting spells. Drinking alcohol with this medication can increase the risk of these side effects.
Your mouth may get dry. Chewing sugarless gum or sucking hard candy and drinking plenty of water may help. Contact your care team if the problem does not go away or is severe.
The tablet shell for some brands of this medication does not dissolve. This is normal. The tablet shell may appear whole in the stool. This is not a cause for concern.