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Drug Interactions between glimepiride / pioglitazone and trimipramine

This report displays the potential drug interactions for the following 2 drugs:

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Interactions between your drugs

Moderate

trimipramine glimepiride

Applies to: trimipramine and glimepiride / pioglitazone

MONITOR: Case reports suggest that tricyclic antidepressants may increase the hypoglycemic effects of sulfonylureas. The mechanism is unknown. Causality has not been definitely determined and one small trial demonstrated no pharmacokinetic changes with amitriptyline and tolbutamide.

MANAGEMENT: Patients receiving this combination should be advised to regularly monitor their blood sugar, counseled on how to recognize and treat hypoglycemia (e.g., headache, dizziness, drowsiness, nausea, tremor, hunger, weakness, or palpitations) and to notify their physician if it occurs. The sulfonylurea dosage may require reduction in affected patients.

References (4)
  1. True BL, Perry PJ, Burns EA (1987) "Profound hypoglycemia with the addition of a tricyclic antidepressant to maintenance sulfonylurea therapy." Am J Psychiatry, 144, p. 1220-1
  2. Pond SM, Graham GG, Birkett DJ, Wade DN (1975) "Effects of tricyclic antidepressants on drug metabolism." Clin Pharmacol Ther, 18, p. 191-9
  3. Sherman KE, Bornemann M (1988) "Amitriptyline and asymptomatic hypoglycemia." Ann Intern Med, 109, p. 683-4
  4. Zogno MG, Tolfo L, Draghi E (1994) "Hypoglycemia caused by maprotiline in a patient taking oral antidiabetics." Ann Pharmacother, 28, p. 406

Drug and food interactions

Moderate

glimepiride food

Applies to: glimepiride / pioglitazone

GENERALLY AVOID: Alcohol may cause hypoglycemia or hyperglycemia in patients with diabetes. Hypoglycemia most frequently occurs during acute consumption of alcohol. Even modest amounts can lower blood sugar significantly, especially when the alcohol is ingested on an empty stomach or following exercise. The mechanism involves inhibition of both gluconeogenesis as well as the counter-regulatory response to hypoglycemia. Episodes of hypoglycemia may last for 8 to 12 hours after ethanol ingestion. By contrast, chronic alcohol abuse can cause impaired glucose tolerance and hyperglycemia. Moderate alcohol consumption generally does not affect blood glucose levels in patients with well controlled diabetes. A disulfiram-like reaction (e.g., flushing, headache, and nausea) to alcohol has been reported frequently with the use of chlorpropamide and very rarely with other sulfonylureas.

MANAGEMENT: Patients with diabetes should avoid consuming alcohol if their blood glucose is not well controlled, or if they have hypertriglyceridemia, neuropathy, or pancreatitis. Patients with well controlled diabetes should limit their alcohol intake to one drink daily for women and two drinks daily for men (1 drink = 5 oz wine, 12 oz beer, or 1.5 oz distilled spirits) in conjunction with their normal meal plan. Alcohol should not be consumed on an empty stomach or following exercise.

References (10)
  1. Jerntorp P, Almer LO (1981) "Chlorpropamide-alcohol flushing in relation to macroangiopathy and peripheral neuropathy in non-insulin dependent diabetes." Acta Med Scand, 656, p. 33-6
  2. Jerntorp P, Almer LO, Holin H, et al. (1983) "Plasma chlorpropamide: a critical factor in chlorpropamide-alcohol flush." Eur J Clin Pharmacol, 24, p. 237-42
  3. Barnett AH, Spiliopoulos AJ, Pyke DA, et al. (1983) "Metabolic studies in chlorpropamide-alcohol flush positive and negative type 2 (non-insulin dependent) diabetic patients with and without retinopathy." Diabetologia, 24, p. 213-5
  4. Hartling SG, Faber OK, Wegmann ML, Wahlin-Boll E, Melander A (1987) "Interaction of ethanol and glipizide in humans." Diabetes Care, 10, p. 683-6
  5. (2002) "Product Information. Diabinese (chlorpropamide)." Pfizer U.S. Pharmaceuticals
  6. (2002) "Product Information. Glucotrol (glipizide)." Pfizer U.S. Pharmaceuticals
  7. "Product Information. Diabeta (glyburide)." Hoechst Marion-Roussel Inc, Kansas City, MO.
  8. Skillman TG, Feldman JM (1981) "The pharmacology of sulfonylureas." Am J Med, 70, p. 361-72
  9. (2002) "Position Statement: evidence-based nutrition principles and recommendations for the treatment and prevention of diabetes related complications. American Diabetes Association." Diabetes Care, 25(Suppl 1), S50-S60
  10. Cerner Multum, Inc. "UK Summary of Product Characteristics."
Moderate

pioglitazone food

Applies to: glimepiride / pioglitazone

GENERALLY AVOID: Alcohol may cause hypoglycemia or hyperglycemia in patients with diabetes. Hypoglycemia most frequently occurs during acute consumption of alcohol. Even modest amounts can lower blood sugar significantly, especially when the alcohol is ingested on an empty stomach or following exercise. The mechanism involves inhibition of both gluconeogenesis as well as the counter-regulatory response to hypoglycemia. Episodes of hypoglycemia may last for 8 to 12 hours after ethanol ingestion. By contrast, chronic alcohol abuse can cause impaired glucose tolerance and hyperglycemia. Moderate alcohol consumption generally does not affect blood glucose levels in patients with well controlled diabetes. A disulfiram-like reaction (e.g., flushing, headache, and nausea) to alcohol has been reported frequently with the use of chlorpropamide and very rarely with other sulfonylureas.

MANAGEMENT: Patients with diabetes should avoid consuming alcohol if their blood glucose is not well controlled, or if they have hypertriglyceridemia, neuropathy, or pancreatitis. Patients with well controlled diabetes should limit their alcohol intake to one drink daily for women and two drinks daily for men (1 drink = 5 oz wine, 12 oz beer, or 1.5 oz distilled spirits) in conjunction with their normal meal plan. Alcohol should not be consumed on an empty stomach or following exercise.

References (10)
  1. Jerntorp P, Almer LO (1981) "Chlorpropamide-alcohol flushing in relation to macroangiopathy and peripheral neuropathy in non-insulin dependent diabetes." Acta Med Scand, 656, p. 33-6
  2. Jerntorp P, Almer LO, Holin H, et al. (1983) "Plasma chlorpropamide: a critical factor in chlorpropamide-alcohol flush." Eur J Clin Pharmacol, 24, p. 237-42
  3. Barnett AH, Spiliopoulos AJ, Pyke DA, et al. (1983) "Metabolic studies in chlorpropamide-alcohol flush positive and negative type 2 (non-insulin dependent) diabetic patients with and without retinopathy." Diabetologia, 24, p. 213-5
  4. Hartling SG, Faber OK, Wegmann ML, Wahlin-Boll E, Melander A (1987) "Interaction of ethanol and glipizide in humans." Diabetes Care, 10, p. 683-6
  5. (2002) "Product Information. Diabinese (chlorpropamide)." Pfizer U.S. Pharmaceuticals
  6. (2002) "Product Information. Glucotrol (glipizide)." Pfizer U.S. Pharmaceuticals
  7. "Product Information. Diabeta (glyburide)." Hoechst Marion-Roussel Inc, Kansas City, MO.
  8. Skillman TG, Feldman JM (1981) "The pharmacology of sulfonylureas." Am J Med, 70, p. 361-72
  9. (2002) "Position Statement: evidence-based nutrition principles and recommendations for the treatment and prevention of diabetes related complications. American Diabetes Association." Diabetes Care, 25(Suppl 1), S50-S60
  10. Cerner Multum, Inc. "UK Summary of Product Characteristics."
Moderate

trimipramine food

Applies to: trimipramine

GENERALLY AVOID: Concomitant use of ethanol and a tricyclic antidepressant (TCA) may result altered TCA plasma levels and efficacy, and additive impairment of motor skills, especially driving skills. Acute ethanol ingestion may inhibit TCA metabolism, while chronic ingestion of large amounts of ethanol may induce hepatic TCA metabolism.

MANAGEMENT: Patients should be advised to avoid alcohol during TCA therapy. Alcoholics who have undergone detoxification should be monitored for decreased TCA efficacy. Dosage adjustments may be required.

References (7)
  1. Dorian P, Sellers EM, Reed KL, et al. (1983) "Amitriptyline and ethanol: pharmacokinetic and pharmacodynamic interaction." Eur J Clin Pharmacol, 25, p. 325-31
  2. Warrington SJ, Ankier SI, Turner P (1986) "Evaluation of possible interactions between ethanol and trazodone or amitriptyline." Neuropsychobiology, 15, p. 31-7
  3. Sandoz M, Vandel S, Vandel B, Bonin B, Allers G, Volmat R (1983) "Biotransformation of amitriptyline in alcoholic depressive patients." Eur J Clin Pharmacol, 24, p. 615-21
  4. Ciraulo DA, Barnhill JG, Jaffe JH (1988) "Clinical pharmacokinetics of imipramine and desipramine in alcoholics and normal volunteers." Clin Pharmacol Ther, 43, p. 509-18
  5. Seppala T, Linnoila M, Elonen E, Mattila MJ, Makl M (1975) "Effect of tricyclic antidepressants and alcohol on psychomotor skills related to driving." Clin Pharmacol Ther, 17, p. 515-22
  6. Ciraulo DA, Barnhill JG, Jaffe JH, Ciraulo AM, Tarmey MF (1990) "Intravenous pharmacokinetics of 2-hydroxyimipramine in alcoholics and normal controls." J Stud Alcohol, 51, p. 366-72
  7. Ciraulo DA, Alderson LM, Chapron DJ, Jaffe JH, Subbarao B, Kramer PA (1982) "Imipramine disposition in alcoholics." J Clin Psychopharmacol, 2, p. 2-7

Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.

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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.

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