Tell your doctor if you have ever had any unusual or allergic reaction to medicines in this group or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Unusual excitement, nervousness, restlessness, or irritability, and unusual warmth, dryness, and flushing of the skin are more likely to occur in children. Children are usually more sensitive to the effects of anticholinergics. Also, when anticholinergics are given to children during hot weather, a rapid increase in body temperature may occur. In infants and children, especially those with spastic paralysis or brain damage, this medicine may be more likely to cause severe side effects. Shortness of breath or difficulty with breathing has occurred in children taking dicyclomine.
Confusion or memory loss; constipation; difficult urination; drowsiness; dryness of the mouth, nose, throat, or skin; and unusual excitement, nervousness, restlessness, or irritability may be more likely to occur in the elderly. The elderly are usually more sensitive than younger adults to the effects of anticholinergics. Also, eye pain may occur, which may be a sign of glaucoma.
If you are pregnant or if you may become pregnant, make sure your doctor knows if your medicine contains any of the following:
- Atropine—Atropine has not been shown to cause birth defects or other problems in animals. However, when injected into women during pregnancy, atropine increased the heartbeat of the fetus.
- Belladonna—Belladonna has not been studied in pregnant women or animals.
- Clidinium—Clidinium has not been studied in pregnant women. However, clidinium has not been shown to cause birth defects or other problems in animals.
- Dicyclomine—Dicyclomine has been associated with a few cases of human birth defects, but dicyclomine has not been confirmed as the cause.
- Glycopyrrolate—Glycopyrrolate has not been studied in pregnant women. However, glycopyrrolate did not cause birth defects in animal studies, but did decrease the chance of becoming pregnant and the newborn's chance of surviving after weaning.
- Hyoscyamine—Hyoscyamine has not been studied in pregnant women or animals. However, when injected into women during pregnancy, hyoscyamine increased the heartbeat of the fetus.
- Mepenzolate—Mepenzolate has not been studied in pregnant women. However, studies in animals have not shown that mepenzolate causes birth defects or other problems.
- Propantheline—Propantheline has not been studied in pregnant women or animals.
- Scopolamine—Scopolamine has not been studied in pregnant women or animals.
Although these medicines may pass into the breast milk, they have not been reported to cause problems in nursing babies. However, the flow of breast milk may be reduced in some patients. The use of dicyclomine is contraindicated and should not be used in nursing mothers because it has been reported to cause breathing problems in infants.
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking any of these medicines, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using medicines in this class with any of the following medicines is not recommended. Your doctor may decide not to treat you with a medication in this class or change some of the other medicines you take.
Using medicines in this class with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
- Arsenic Trioxide
- Perflutren Lipid Microsphere
- Sodium Phosphate
- Sodium Phosphate, Dibasic
- Sodium Phosphate, Monobasic
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Other Medical Problems
The presence of other medical problems may affect the use of medicines in this class. Make sure you tell your doctor if you have any other medical problems, especially:
- Bleeding problems (severe) or
- Heart failure or
- Hyperthyroidism (an overactive thyroid) or
- Tachycardia (increased heart rate)—These medicines may increase the heart rate and make these conditions worse.
- Brain damage (in children)—This condition may increase the unwanted nervous system effects of these medicines.
- Colitis (severe) or
- Dryness of the mouth (severe and continuing) or
- Enlarged prostate or
- Fever or
- Glaucoma or
- Heart disease or
- Hernia (hiatal) or
- High blood pressure (hypertension) or
- Intestinal blockage or severe constipation or
- Lung disease (chronic) or
- Myasthenia gravis or
- Urinary tract blockage or difficult urination—These medicines may make these conditions worse.
- Down's syndrome—These medicines may cause an increase in pupil size and heart rate for patients with this condition.
- Liver disease—This condition may cause higher blood levels of the medicines which could increase the side effects.
- Spastic paralysis (in children)—This condition may increase the effects of the medicines.