Phentermine Drug Interactions
Currently displaying a list of 196 drugs known to interact with phentermine.
- 43 major drug interactions
- 151 moderate drug interactions
- 2 minor drug interactions
Medications known to interact with phentermine
Note: Showing generic names only.
- acarbose
- acetohexamide
- albiglutide
- albuterol
- alfentanil
- almotriptan
- alogliptin
- amifampridine
- aminophylline
- amitriptyline
- amoxapine
- amphetamine
- apraclonidine ophthalmic
- arformoterol
- armodafinil
- caffeine
- canagliflozin
- chlorpromazine
- chlorpropamide
- citalopram
- clomipramine
- cocaine nasal
- cocaine topical
- dapagliflozin
- deserpidine
- desipramine
- desvenlafaxine
- dexfenfluramine
- dexmethylphenidate
- dextroamphetamine
- dextromethorphan
- diethylpropion
- dobutamine
- dopamine
- doxepin
- doxepin topical
- droxidopa
- dulaglutide
- duloxetine
- eletriptan
- empagliflozin
- ephedrine
- epinephrine
- ertugliflozin
- escitalopram
- esketamine
- ethanol
- evening primrose
- exenatide
- imipramine
- indacaterol
- insulin
- insulin aspart
- insulin aspart protamine
- insulin degludec
- insulin detemir
- insulin glargine
- insulin glulisine
- insulin inhalation, rapid acting
- insulin isophane
- insulin lispro
- insulin lispro protamine
- insulin regular
- insulin zinc
- insulin zinc extended
- iobenguane I 123
- iobenguane I 131
- ioflupane I 123
- iohexol
- iomeprol
- iopamidol
- isocarboxazid
- isoetharine
- isoproterenol
- levalbuterol
- levomilnacipran
- levothyroxine
- linagliptin
- lindane topical
- linezolid
- liothyronine
- liraglutide
- lisdexamfetamine
- lithium
- lixisenatide
- lorcaserin
- ma huang
- mazindol
- meperidine
- mephentermine
- mesoridazine
- metaproterenol
- metaraminol
- metformin
- methadone
- methamphetamine
- methdilazine
- methotrimeprazine
- methoxamine
- methylene blue
- methylphenidate
- metrizamide
- midodrine
- miglitol
- milnacipran
- modafinil
- paroxetine
- pentazocine
- perphenazine
- phendimetrazine
- phenelzine
- phenylephrine
- phenylpropanolamine
- pioglitazone
- pirbuterol
- polyethylene glycol 3350 with electrolytes
- pramlintide
- procarbazine
- prochlorperazine
- promazine
- promethazine
- propiomazine
- propoxyphene
- protriptyline
- pseudoephedrine
- racepinephrine
- rasagiline
- rauwolfia serpentina
- remifentanil
- repaglinide
- reserpine
- ritodrine
- rizatriptan
- rosiglitazone
- safinamide
- salmeterol
- saxagliptin
- selegiline
- semaglutide
- sertraline
- sibutramine
- sitagliptin
- sotagliflozin
- st. john's wort
- sufentanil
- sumatriptan
- tapentadol
- terbutaline
- theophylline
- thiethylperazine
- thioridazine
- thyroid desiccated
- tirzepatide
- tolazamide
- tolbutamide
- topiramate
- tramadol
- tranylcypromine
- trifluoperazine
- triflupromazine
- trimeprazine
- trimipramine
- troglitazone
- tryptophan
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
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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. |
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Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
