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Urelief Plus and Alcohol/Food Interactions

There are 3 alcohol/food/lifestyle interactions with Urelief Plus (butabarbital / hyoscyamine / phenazopyridine).

Major

Butabarbital Alcohol (Ethanol)

Major Drug Interaction

GENERALLY AVOID: Concurrent acute use of barbiturates and ethanol may result in additive CNS effects, including impaired coordination, sedation, and death. Tolerance of these agents may occur with chronic use. The mechanism is related to inhibition of microsomal enzymes acutely and induction of hepatic microsomal enzymes chronically.

MANAGEMENT: The combination of ethanol and barbiturates should be avoided.

References

  1. Gupta RC, Kofoed J (1966) "Toxological statistics for barbiturates, other sedatives, and tranquilizers in Ontario: a 10-year survey." Can Med Assoc J, 94, p. 863-5
  2. Misra PS, Lefevre A, Ishii H, Rubin E, Lieber CS (1971) "Increase of ethanol, meprobamate and pentobarbital metabolism after chronic ethanol administration in man and in rats." Am J Med, 51, p. 346-51
  3. Saario I, Linnoila M (1976) "Effect of subacute treatment with hypnotics, alone or in combination with alcohol, on psychomotor skills related to driving." Acta Pharmacol Toxicol (Copenh), 38, p. 382-92
  4. Stead AH, Moffat AC (1983) "Quantification of the interaction between barbiturates and alcohol and interpretation of fatal blood concentrations." Hum Toxicol, 2, p. 5-14
  5. Seixas FA (1979) "Drug/alcohol interactions: avert potential dangers." Geriatrics, 34, p. 89-102
View all 5 references

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Moderate

Hyoscyamine Alcohol (Ethanol)

Moderate Drug Interaction

GENERALLY AVOID: Use of anticholinergic agents with alcohol may result in sufficient impairment of attention so as to render driving and operating machinery more hazardous. In addition, the potential for abuse may be increased with the combination. The mechanism of interaction is not established but may involve additive depressant effects on the central nervous system. No effect of oral propantheline or atropine on blood alcohol levels was observed in healthy volunteers when administered before ingestion of a standard ethanol load. However, one study found impairment of attention in subjects given atropine 0.5 mg or glycopyrrolate 1 mg in combination with alcohol.

MANAGEMENT: Alcohol should generally be avoided during therapy with anticholinergic agents. Patients should be counseled to avoid activities requiring mental alertness until they know how these agents affect them.

References

  1. Linnoila M (1973) "Drug effects on psychomotor skills related to driving: interaction of atropine, glycopyrrhonium and alcohol." Eur J Clin Pharmacol, 6, p. 107-12

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Minor

Hyoscyamine High Blood Pressure (Hypertension)

Minor Potential Hazard, Low plausibility

anticholinergics - hypertension

Cardiovascular effects of anticholinergics may exacerbate hypertension. Therapy with anticholinergic agents should be administered cautiously in patients with hypertension.

References

  1. (2002) "Product Information. Benadryl (diphenhydramine)." Parke-Davis
  2. (2001) "Product Information. Antivert (meclizine)." Roerig Division
  3. (2001) "Product Information. Marezine (cyclizine)." Glaxo Wellcome
  4. Valentin N, Staffeldt H, Kyst A (1984) "Effect of i.v. atropine on cardiac rhythm, heart rate, blood pressure and airway secretion during isoflurane anaesthesia." Acta Anaesthesiol Scand, 28, p. 621-4
  5. (2022) "Product Information. Atropine Sulfate (atropine)." ESI Lederle Generics
  6. (2001) "Product Information. Artane (trihexyphenidyl)." Lederle Laboratories
  7. (2002) "Product Information. Atropisol (atropine ophthalmic)." Ciba Vision Ophthalmics
View all 7 references

Urelief Plus drug interactions

There are 697 drug interactions with Urelief Plus (butabarbital / hyoscyamine / phenazopyridine).

Urelief Plus disease interactions

There are 33 disease interactions with Urelief Plus (butabarbital / hyoscyamine / phenazopyridine) which include:


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Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.