Qsymia Drug Interactions
Currently displaying a list of 417 drugs known to interact with Qsymia (phentermine / topiramate).
- 150 major drug interactions
- 264 moderate drug interactions
- 3 minor drug interactions
Medications known to interact with Qsymia
Note: Showing generic names only.
A
- acarbose
- acetazolamide
- acetohexamide
- acetylcarbromal
- acrivastine
- albiglutide
- albuterol
- alfentanil
- allopurinol
- almotriptan
- alogliptin
- alprazolam
- amifampridine
- aminophylline
- amitriptyline
- amobarbital
- amoxapine
- amphetamine
- anisindione
- apalutamide
- apomorphine
- apraclonidine ophthalmic
- arformoterol
- aripiprazole
- armodafinil
- asenapine
- atropine
- azatadine
B
- baclofen
- belladonna
- bendroflumethiazide
- benzphetamine
- benzthiazide
- benztropine
- bexagliflozin
- biperiden
- bitolterol
- brexanolone
- brexpiprazole
- brimonidine ophthalmic
- brimonidine topical
- brinzolamide ophthalmic
- brivaracetam
- bromocriptine
- brompheniramine
- buprenorphine
- bupropion
- buspirone
- butabarbital
- butalbital
- butorphanol
C
- caffeine
- canagliflozin
- cannabidiol
- cannabis
- carbamazepine
- carbetapentane
- carbinoxamine
- cariprazine
- carisoprodol
- cenobamate
- cetirizine
- chlophedianol
- chloral hydrate
- chlorcyclizine
- chlordiazepoxide
- chlormezanone
- chloroquine
- chlorothiazide
- chlorphenesin
- chlorpheniramine
- chlorpromazine
- chlorpropamide
- chlorthalidone
- chlorzoxazone
- citalopram
- clemastine
- clidinium
- clobazam
- clomipramine
- clonidine
- clorazepate
- clozapine
- cocaine nasal
- cocaine topical
- codeine
- cyclizine
- cyclobenzaprine
- cyproheptadine
D
- dantrolene
- dapagliflozin
- daridorexant
- darifenacin
- deserpidine
- desipramine
- desvenlafaxine
- deutetrabenazine
- dexbrompheniramine
- dexchlorpheniramine
- dexfenfluramine
- dexmedetomidine
- dexmethylphenidate
- dextroamphetamine
- dextromethorphan
- dezocine
- dichlorphenamide
- dicumarol
- dicyclomine
- diethylpropion
- difelikefalin
- digoxin
- dimenhydrinate
- diphenhydramine
- disopyramide
- divalproex sodium
- dobutamine
- dopamine
- dorzolamide ophthalmic
- doxepin
- doxepin topical
- doxylamine
- dronabinol
- droperidol
- drospirenone
- droxidopa
- dulaglutide
- duloxetine
E
- eletriptan
- empagliflozin
- entacapone
- ephedrine
- epinephrine
- ertugliflozin
- escitalopram
- esketamine
- eslicarbazepine
- estazolam
- eszopiclone
- ethanol
- ethinyl estradiol
- ethotoin
- etonogestrel
- evening primrose
- exenatide
- ezogabine
F
- felbamate
- fenfluramine
- fentanyl
- flavoxate
- flibanserin
- fluoxetine
- fluphenazine
- flurazepam
- fluvoxamine
- formoterol
- fosphenytoin
- frovatriptan
- furazolidone
G
- gabapentin
- gabapentin enacarbil
- ganaxolone
- gepirone
- ginkgo
- glimepiride
- glipizide
- glyburide
- glycerol phenylbutyrate
- glycopyrrolate
- glycopyrronium topical
- guanadrel
- guanethidine
H
- halazepam
- haloperidol
- heroin
- hydrochlorothiazide
- hydrocodone
- hydroflumethiazide
- hydromorphone
- hydroxychloroquine
- hydroxyzine
- hyoscyamine
I
- iloperidone
- imipramine
- indacaterol
- indapamide
- 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
K
L
- lasmiditan
- lemborexant
- levalbuterol
- levocetirizine
- levodopa
- levomethadyl acetate
- levomilnacipran
- levonorgestrel
- levorphanol
- levothyroxine
- lidocaine
- linagliptin
- lindane topical
- linezolid
- liothyronine
- liraglutide
- lisdexamfetamine
- lithium
- lixisenatide
- lofexidine
- lorcaserin
- lorlatinib
- loxapine
- lumateperone
- lurasidone
M
- ma huang
- maprotiline
- mazindol
- meclizine
- medroxyprogesterone
- mefloquine
- melatonin
- mepenzolate
- meperidine
- mephentermine
- mephenytoin
- meprobamate
- mesoridazine
- metaproterenol
- metaraminol
- metaxalone
- metformin
- methadone
- methamphetamine
- methazolamide
- methdilazine
- methocarbamol
- methohexital
- methotrimeprazine
- methoxamine
- methscopolamine
- methyclothiazide
- methylene blue
- methylphenidate
- metoclopramide
- metolazone
- metrizamide
- metyrosine
- midazolam
- midodrine
- miglitol
- milnacipran
- mitotane
- modafinil
- molindone
- morphine
- morphine liposomal
N
O
- olanzapine
- oliceridine
- olodaterol
- olopatadine nasal
- opicapone
- opium
- orphenadrine
- oxazepam
- oxcarbazepine
- oxybutynin
- oxycodone
- oxymorphone
- ozanimod
P
- paliperidone
- paraldehyde
- paroxetine
- pemoline
- pentazocine
- pentobarbital
- perampanel
- pergolide
- perphenazine
- phendimetrazine
- phenelzine
- phenindamine
- phenobarbital
- phenylephrine
- phenylpropanolamine
- phenytoin
- pimozide
- pioglitazone
- pirbuterol
- polyethylene glycol 3350 with electrolytes
- polythiazide
- pramipexole
- pramlintide
- pregabalin
- primidone
- procarbazine
- prochlorperazine
- procyclidine
- promazine
- promethazine
- propantheline
- propiomazine
- propoxyphene
- protriptyline
- pseudoephedrine
- pyrilamine
Q
R
- racepinephrine
- ramelteon
- rasagiline
- rauwolfia serpentina
- remifentanil
- remimazolam
- repaglinide
- reserpine
- risperidone
- ritodrine
- rizatriptan
- rosiglitazone
- rotigotine
- rufinamide
S
- safinamide
- salmeterol
- saxagliptin
- scopolamine
- secobarbital
- selegiline
- semaglutide
- sertraline
- sibutramine
- sitagliptin
- sodium oxybate
- sodium phenylbutyrate
- sofpironium topical
- solifenacin
- sotagliflozin
- st. john's wort
- stiripentol
- sufentanil
- sumatriptan
- suvorexant
T
- tapentadol
- tasimelteon
- temazepam
- terbutaline
- tetrabenazine
- thalidomide
- theophylline
- thiethylperazine
- thioridazine
- thiothixene
- thyroid desiccated
- tirzepatide
- tizanidine
- tolazamide
- tolbutamide
- tolterodine
- tramadol
- tranylcypromine
- trazodone
- triazolam
- trichlormethiazide
- trifluoperazine
- triflupromazine
- trihexyphenidyl
- trimeprazine
- trimethobenzamide
- trimipramine
- tripelennamine
- triprolidine
- troglitazone
- trospium
- tryptophan
U
V
W
Z
Qsymia alcohol/food interactions
There are 3 alcohol/food interactions with Qsymia (phentermine / topiramate).
Qsymia disease interactions
There are 21 disease interactions with Qsymia (phentermine / topiramate) which include:
- cardiovascular
- glaucoma
- oligohidrosis/hyperthermia
- agitation
- cardiac disease
- glaucoma
- hypertension
- psychiatric disorders
- pulmonary hypertension
- substance abuse
- suicidal tendency
- renal dysfunction
- metabolic acidosis
- renal dysfunction
- diabetics
- dialysis
- liver disease
- angle closure glaucoma
- hemodialysis
- liver disease
- nephrolithiasis
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More about Qsymia (phentermine / topiramate)
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- Side effects
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- FDA approval history
- Drug class: anorexiants
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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.
