What should I watch for?
Visit your doctor or health care professional for regular checks on your progress. Check your heart rate and blood pressure regularly while you are taking this medicine. Ask your doctor or health care professional what your heart rate should be and when you should contact him or her.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. To avoid dizzy or fainting spells, do not stand or sit up quickly, especially if you are an older person. Alcohol can make you more drowsy and dizzy. Avoid alcoholic drinks.
Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water will help.
Do not treat yourself for coughs, colds, or pain while you are taking this medicine without asking your doctor or health care professional for advice. Some ingredients may increase your blood pressure.
If you are going to have surgery tell your doctor or health care professional that you are taking this medicine.
Common and Rare Side Effects
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.
Check with your doctor immediately if any of the following side effects occur:
Itching or redness of the skin
Incidence not known
Blistering, burning, crusting, dryness, or flaking of the skin
chest pain or discomfort
darkening of the skin
decreased urine output
dilated neck veins
fast, slow, pounding, or irregular heartbeat or pulse
general feeling of discomfort or illness
inability to speak
itching, scaling, severe redness, soreness, or swelling of the skin
large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
lightheadedness, dizziness, or fainting
paleness or cold feeling in the fingertips and toes
severe or sudden headache
shortness of breath
swelling of the face, fingers, feet, or lower legs
tightness in the chest
unusual tiredness or weakness
weakness in the arm or leg on one side of the body, sudden and severe
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose
Bluish lips or skin
change in consciousness
constricted, pinpoint, or small pupils (black part of the eye)
difficult or troubled breathing
dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
irregular, fast or slow, or shallow breathing
lack of coordination
loss of consciousness
low body temperature
muscle aches or weakness
pale or blue lips, fingernails, or skin
pounding in the ears
weak or feeble pulse
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:
Incidence not known
burning or dryness of the eyes
confusion as to time, place, or person
decreased interest in sexual intercourse
hives or welts
holding false beliefs that cannot be changed by fact
inability to have or keep an erection
loss in sexual ability, desire, drive, or performance
loss of appetite
muscle or joint pain
raised red swellings on the skin, lips, tongue, or in the throat
redness of the skin
seeing, hearing, or feeling things that are not there
swelling of the breasts or breast soreness in both females and males
thinning of the hair
unusual excitement, nervousness, or restlessness
vivid dreams or nightmares
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.