Phentermine Interactions
There are 196 drugs known to interact with phentermine, along with 13 disease interactions, and 3 alcohol/food interactions. Of the total drug interactions, 43 are major, 151 are moderate, and 2 are minor.
- View all 196 medications that may interact with phentermine
- View phentermine alcohol/food interactions (3)
- View phentermine disease interactions (13)
Most frequently checked interactions
View interaction reports for phentermine and the medicines listed below.
- Abilify (aripiprazole)
- Adderall (amphetamine / dextroamphetamine)
- Ambien (zolpidem)
- Benadryl (diphenhydramine)
- Celebrex (celecoxib)
- CoQ10 (ubiquinone)
- Cymbalta (duloxetine)
- Fish Oil (omega-3 polyunsaturated fatty acids)
- Flexeril (cyclobenzaprine)
- Klonopin (clonazepam)
- Lamictal (lamotrigine)
- Lexapro (escitalopram)
- Lyrica (pregabalin)
- Norco (acetaminophen / hydrocodone)
- Ozempic (semaglutide)
- Prozac (fluoxetine)
- Singulair (montelukast)
- Synthroid (levothyroxine)
- Topamax (topiramate)
- Tylenol (acetaminophen)
- Vitamin B12 (cyanocobalamin)
- Vitamin C (ascorbic acid)
- Vitamin D2 (ergocalciferol)
- Vitamin D3 (cholecalciferol)
- Vyvanse (lisdexamfetamine)
- Wellbutrin (bupropion)
- Wellbutrin XL (bupropion)
- Xanax (alprazolam)
- Zoloft (sertraline)
- Zyrtec (cetirizine)
Phentermine alcohol/food interactions
There are 3 alcohol/food interactions with phentermine.
Phentermine disease interactions
There are 13 disease interactions with phentermine which include:
- cardiovascular
- glaucoma
- agitation
- cardiac disease
- glaucoma
- hypertension
- psychiatric disorders
- pulmonary hypertension
- substance abuse
- renal dysfunction
- diabetics
- dialysis
- liver disease
Report options
More about phentermine
- phentermine consumer information
- Compare alternatives
- Pricing & coupons
- Reviews (3,014)
- Drug images
- Side effects
- Dosage information
- Patient tips
- During pregnancy
- Support group
- Drug class: anorexiants
- Breastfeeding
- En español
Related treatment guides
Drug Interaction Classification
| Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
| Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
| 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. | |
| No interaction information available. |
See also:
Wegovy
Wegovy (semaglutide) an FDA-approved weekly injection for weight loss and to reduce heart risks ...
Ozempic
Learn about Ozempic (semaglutide) for type 2 diabetes treatment, weight management, cardiovascular ...
Mounjaro
Mounjaro is used to treat type 2 diabetes in adults. It is a subcutaneous injection that can be ...
Rybelsus
Rybelsus tablets are used to improve blood sugar control in adults with type 2 diabetes, and may ...
Zepbound
Zepbound (tirzepatide) is an FDA-approved weekly injection for weight loss and obstructive sleep ...
Victoza
Victoza helps control blood sugar levels and reduce the risk of serious heart problems in people ...
Saxenda
Saxenda (liraglutide) injection is used for weight loss in obese or overweight patients. Includes ...
Alli
alli blocks the absorption of some of the fat that you eat and is used to treat obesity. Learn ...
Amphetamine
Amphetamine is a stimulant and is used to trat narcolepsy and attention deficit disorder. Includes ...
Tirzepatide
Tirzepatide is a once-weekly injection used for weight loss, sleep apnea, and type 2 diabetes ...
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
