United States / USD Country & Currency
Country
United States
Currency
US Dollars
Save
Country
Australia
Gibraltar
Hong Kong
Malta
Northern Ireland
Puerto Rico
Scotland
Singapore
Switzerland
United Kingdom
United States
Currency
US Dollars
GB Pounds
AU Dollars
Euro
Explore our range Categories
Ask us a question 877-271-6591 or 800-868-9064


NEW Website Coming Soon - mid September

Shipping delays due to Covid-19 Virus

Please fill the form to receive updates when we can ship your order.

Antihistamines / Allergy

Our antihistamines/allergy class of eye medications are used to treat allergic eye condition like conjunctivitis caused by seasonal allergies like hay fever or perennial allergies like allergy to animal dander, to relieve symptoms.

Use the search feature to quickly find the product you are looking for, by entering either the active ingredient, e.g. olopatadine or the product name, e.g. Patanol

Allergic conjunctivitis

Allergic conjunctivitis is inflammation of the conjunctiva, which is the inner lining of the eyelids and sclera of the eye (white part of the eye). It is caused by an allergic reaction to allergens such as pollen, animal dander or house dust mites with symptoms including swollen red eyes, itching and eye watering.

Antihistamine eye drops

Eye drops containing the antihistamine olopatadine, can be used to relieve symptoms of allergic conjunctivitis. Olopatadine works by binding to the H1 receptor on the conjunctival cells in the eye and this blocks the action of histamine, which is released by mast cells during an allergic reaction and is responsible for most of the symptoms of allergic conjunctivitis.
Read more
5 Stars

Customer Review

Hear from more than 1000 happy customers!
Heart Icon
"As a satisfied customer of Inhouse Pharmacy for many years now, for both pet meds and personal use, I can confirm that the service provided is exemplary. From helpful people when I have queries, to efficient ordering and fast delivery (my most recent order arrived in the UK in a week), I'm more than happy to recommend them."
Jane UK • May 2026
Heart Icon
"Your company has been a Godsend to me at times when I had no insurance, etc. Your service is wonderful & I’m grateful to you. I have used your service for quite a few years & I have never had a complaint."
Gwendolyn Shivers CA, USA • May 2026
Heart Icon
"Just love this place. Great customer service and always delivery as requested. Been doing business with them for years. Thank you so much Inhouse"
Cheryl Owens TX,USA • August 2025
Heart Icon
"I have been a customer for so long I can't remember when I signed up and it was over 10 years ago. I have been nothing but PLEASED with the service you provide. Here in the US people in my neighbourhood are crying for a decent pharmacy I've mentioned Inhousepharmacy.vu to these folks on a neighbourhood service."
Victor Riggan TX, USA • August 2025
Heart Icon
"I have ordered with Inhouse for many years. They've always been excellent. Even after emergencies when we needed things in the past, I've never been let down. They've always been lovely to me and I just feel like I'm getting things from friends. So, I love Inhouse! There hasn't been anything bad, so it would be a new one if there ever was. The goods have always been delivered as seen and priced as advertised, and replaced if necessary. So, it's a straight 5-star award."
Gina UK • June 2026
Heart Icon
"Great Service for over a decade! Thank you, Inhouse Pharmacy!"
Lisa Button WA, USA • September 2025
Heart Icon
"I've been an Inhouse customer for over 20 years. Exemplary customer service and very responsive if you have any questions or need any assistance with your orders!"
Dave MI, USA • May 2026
Heart Icon
"Thank you so very much. I appreciate all the help & responses that you've provided. Its not often that companies go that extra mile but you have & Im truly grateful for it."
Melissa Reiger GA, USA • July 2025
Heart Icon
"My total experience with Inhouse Pharmacy is I can trust you guys to the moon and back."
Janelle FL, USA • May 2026
Heart Icon
"Package received! I want to thank you on behalf of my family for your wonderful service. My daughter cannot purchase domperidone in the States, and it is critical to her health. You have been a lifesaver. Thank you for making this drug available to her, and for the competent and courteous service your company provides. We are all grateful."
Rebecca McClear MI, USA • October 2025
 

This website uses cookies. View our policy and select your preferences here