Valtrex Interactions
There are 91 drugs known to interact with Valtrex (valacyclovir), along with 4 disease interactions. Of the total drug interactions, 23 are major, 62 are moderate, and 6 are minor.
- View all 91 medications that may interact with Valtrex
- View Valtrex disease interactions (4)
Most frequently checked interactions
View interaction reports for Valtrex (valacyclovir) and the medicines listed below.
- Adderall (amphetamine / dextroamphetamine)
- albuterol
- aspirin
- Benadryl (diphenhydramine)
- clonazepam
- Cymbalta (duloxetine)
- doxycycline
- Flexeril (cyclobenzaprine)
- Flonase (fluticasone nasal)
- gabapentin
- ibuprofen
- levothyroxine
- Lexapro (escitalopram)
- lisinopril
- Lyrica (pregabalin)
- melatonin
- metformin
- Nexium (esomeprazole)
- omeprazole
- prednisone
- Singulair (montelukast)
- Synthroid (levothyroxine)
- tramadol
- trazodone
- Tylenol (acetaminophen)
- Vitamin B12 (cyanocobalamin)
- Vitamin C (ascorbic acid)
- Vitamin D3 (cholecalciferol)
- Xanax (alprazolam)
- Zyrtec (cetirizine)
Valtrex disease interactions
There are 4 disease interactions with Valtrex (valacyclovir) which include:
Report options
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- Drug class: purine nucleosides
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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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Botox
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Benzocaine topical
Benzocaine topical is used for anal itching, anesthesia, aphthous ulcer, burns, external, cold ...
Lysine
Lysine systemic is used for aphthous ulcer, herbal supplementation, herpes simplex (hsv), herpes ...
Famciclovir
Famciclovir systemic is used for cold sores, herpes simplex, mucocutaneous/immunocompetent host ...
Tetracaine topical
Tetracaine topical is used for allergic urticaria, cold sores, local anesthesia, skin rash, urticaria
Docosanol topical
Docosanol topical is used for cold sores, herpes simplex (hsv)
Rayos
Rayos (prednisone, delayed-release) is used to treat rheumatoid arthritis, polymyalgia rheumatica ...
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
