HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

What is the definition or description of: periostat allergy?

A doctor has provided 1 answer
Dr. Theodore Davantzis answered

Specializes in Dentistry

Periostat Allergy: An allergy to doxycycline hyclate or any of the other inert ingredients in the formulation, which may include: hydroxypropyl methylcellulose, lactose, magnesium stearate, microcrystalline cellulose, titanium dioxide, and triacetin.

Answered 10/12/2016

933 views

Thank

Related Questions

A member asked:

I had an allergy to doxycycline 4 weeks ago i can't take benedryl and I took prednisone for 12 days and I still itch, I have been taking ranitidine?

A doctor has provided 1 answer

A member asked:

Is it safe to take dayquil for cold and benadryl (diphenhydramine) for allergy at the same time? I'm also on doxycycline for acne. Thank you!

A doctor has provided 1 answer

A member asked:

Can someone with bactrim (sulfamethoxazole and trimethoprim) sulfa allergy take doxycycline?

A doctor has provided 1 answer

A member asked:

Im taking doxycycline and hydroxyzine at the same time, one because to help with an allergy and another one for a bacteria. But Im not feeling good, I feel heavy, like chest heavy, like Im going to throw up, and Im scared to keep taking it?

A doctor has provided 1 answer

A member asked:

I am taking doxycycline hyclate 100mg and sertraline 50mg daily. Can i take Benadryl (diphenhydramine) allergy tablet for mosquito bites that have boiled up?

A doctor has provided 1 answer

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more

People also searched for:

What is the definition or description of: Doxycycline allergy?
What is the definition or description of: Doryx (doxycycline) allergy?
Is an allergy to doxycycline same as allergy to penicillin?
Could doxycycline cause my already allergy to mosquito bites flare up even worse? One seems to have become infected due to the clear boil on top now.
Took Doxycycline hyclate this am without food per directions then vomited repeatedly. Should try with food or is this an allergy? Hives now, not am.

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.