NutriStack
Alcohol and Isotretinoin, a caution.
Isotretinoin can raise triglycerides and liver enzymes, usually modestly but occasionally to clinically important levels. Alcohol does not appear to convert isotretinoin into long-lived ethyl retinoids the way it can with acitretin, but heavy drinking can still add lipid and liver stress. The concern is greatest with binge drinking, baseline hypertriglyceridemia, fatty liver disease, obesity, diabetes, or abnormal monitoring labs.
One pair, every claim cited. The two substances, the type, the mechanism, the recommendation, and the primary literature.
Same shape as the other 1,729 pairs in the public database.
From the interaction database
What the row says.
Every entry follows the same shape: what is happening, the mechanism, the recommendation, and the primary literature.
At a glance
- Substances
- Alcohol and Isotretinoin
- Pair type
- Caution
- Evidence (highest tier)
- Moderate
- Source citations
- 2 sources
- Stack Score effect
- −5 to your Stack Score (per scored caution row).
- Scope
- Supplement × Prescription
- Last verified
- May 30, 2026
Caution · Moderate evidence
Caution
What is happening. Isotretinoin can raise triglycerides and liver enzymes, usually modestly but occasionally to clinically important levels. Alcohol does not appear to convert isotretinoin into long-lived ethyl retinoids the way it can with acitretin, but heavy drinking can still add lipid and liver stress. The concern is greatest with binge drinking, baseline hypertriglyceridemia, fatty liver disease, obesity, diabetes, or abnormal monitoring labs.
Mechanism. Isotretinoin can alter hepatic lipid handling and is associated with hypertriglyceridemia and transaminase elevations. Alcohol adds hepatic oxidative stress and can raise triglycerides through increased hepatic VLDL production, creating additive laboratory risk even without a direct pharmacokinetic interaction.
Recommendation. Avoid binge drinking while taking isotretinoin, and keep alcohol low or absent until your first follow-up lipid and liver tests are known. If triglycerides or liver enzymes rise, stop alcohol and follow your prescriber's monitoring plan. Seek care for severe abdominal pain, persistent vomiting, jaundice, or dark urine.
Sources (2)
- Emtenani S, Abdelghaffar M, Ludwig RJ, Schmidt E, Kridin K. Risk and timing of isotretinoin-related laboratory disturbances: a population-based study. Int J Dermatol. 2024;63(12):1740-1747. PMID 38702860
- Larsen FG, Jakobsen P, Larsen CG, Heidenheim M, Held E, Nielsen-Kudsk F. The metabolism and pharmacokinetics of isotretinoin in patients with acne and rosacea are not influenced by ethanol. Br J Dermatol. 2009;161(3):664-670. PMID 19563582
Stack Score
How this pair moves the number.
Effect on the composite score
If both Alcohol and Isotretinoin are in the same stack, this pair applies −5 to your Stack Score (per scored caution row).
The full algorithm, the clamping rules, and four worked stacks are documented at /methodology/stack-score.
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