Allergies FAQ's

An allergy is when your body reacts to something that is normally harmless. Common allergens are pollen, dust or animal fur. The symptoms can be mild but for some people they can be very serious.
What is an allergy?
What are the symptoms of an allergic reaction?
Symptoms of an allergic reaction can include:
- a runny nose or sneezing
- coughing, wheezing or breathlessness
- itchy skin or a raised rash (hives / urticaria)
- nausea or vomiting
- swollen eyes, lips, mouth or throat
What is a severe allergic reaction or anaphylaxis?
Anaphylaxis is a life-threatening allergic reaction that happens very quickly, usually within minutes of coming into contact with something you’re allergic to, such as food, medicine or an insect sting. Call 911 immediately if you think that you or someone else is having an anaphylactic reaction.
What are the symptoms of a severe allergic reaction or anaphylaxis?
- Lips, mouth, throat or tongue suddenly become swollen
- Breathing very fast or struggling to breathe (you may become very wheezy or feel like you’re choking or gasping for air)
- Throat feels tight or you’re struggling to swallow
- Skin, tongue or lips turn blue, grey or pale (if you have black or brown skin, this may be easier to see on the palms of your hands or soles of your feet)
- Suddenly become very confused, drowsy or dizzy
- Faints and cannot be woken up
- If a child is limp, floppy or not responding like they normally do
- There may also be a rash which is swollen, raised or itchy
What medications do you offer for Allergies and Allergic Reactions?
Bilastine Blexten
How does Bilastine (Blexten) work?
What is my dose of Bilastine (Blexten)?
The usual dose that our Doctors recommend is 20mg tablets taken once daily with water on an empty stomach one hour before eating or two hours after eating for the best effect. Food and fruit juice can reduce how well the medication works.
Medication dose can be affected by a combination of factors, if our QuickDoc team has prescribed you a different dose to the ones listed here, make sure you take it exactly as prescribed. Ensure you store Bilastine (Blexten) in its original packaging at room temperature and keep out of reach of children.
What are the side effects of Bilastine (Blexten)?
Lots of medications can cause side effects, which is an unwanted response to a medication when taken as a normal dose. Not all people experience side effects. The following side effects have been reported by at least 1% of people when using Bilastine (Blexten).
• Headache
• Drowsiness
Check with your Doctor (and discontinue medication) as soon as possible if any of the following less common side effects occur:
• Anxiety
• Increased appetite/weight gain
• Gastrointestinal discomfort
• Insomnia
• Nausea
• Dizziness
• Vertigo
• Palpitations
SEEK IMMEDIATE MEDICAL ATTENTION IF ANY OF THE FOLLOWING SIDE EFFECTS OCCUR AND DISCONTINUE TAKING THE MEDICATION
• Chest pains, irregular heartbeat, shortness of breath
• Shortness of breath associated with a blue colouring of the lips and peripheries (hands and feet)
• Severe Allergic reaction or anaphylaxis (swelling, facial swelling, swelling of lips, tongue, throat, shortness of breath, wheeze, rash, itching)
• Severe skin reaction (blistering, skin peeling, an extensive rash or rash accompanied by fever or pain)
PLEASE ENSURE YOU READ THE PATIENT INFORMATION LEAFLET THOROUGHLY WHICH WILL BE DELIVERED WITH YOUR MEDICATION BEFORE TAKING ANY MEDICATION PRESCRIBED BY US
What are the symptoms of a severe allergic reaction or anaphylaxis?
- Lips, mouth, throat or tongue suddenly become swollen
- Breathing very fast or struggling to breathe (you may become very wheezy or feel like you’re choking or gasping for air)
- Throat feels tight or you’re struggling to swallow
- Skin, tongue or lips turn blue, grey or pale (if you have black or brown skin, this may be easier to see on the palms of your hands or soles of your feet)
- Suddenly become very confused, drowsy or dizzy
- Faints and cannot be woken up
- If a child is limp, floppy or not responding like they normally do
- There may also be a rash which is swollen, raised or itchy
What medications do you offer for Allergies and Allergic Reactions?
Desloratidine (Aerius)
How does Desloratidine (Aerius) work?
What is my dose of Desloratidine (Aerius)?
What are the side effects of Desloratidine (Aerius)?
Lots of medications can cause side effects, which is an unwanted response to a medication when taken as a normal dose. Not all people experience side effects. The following side effects have been reported by at least 1% of people when using Desloratidine (Aerius).
• Asthenia (weakness or lack of energy)
• Dry mouth
• Headache
Check with your Doctor (and discontinue medication) as soon as possible if any of the following less common side effects occur:
• Diarrhoea
• Akathisia (restlessness)
• Dizziness
• Drowsiness
• Gastrointestinal discomfort
• Nausea
• Insomnia
• Vomiting
• Palpitations
• Hallucinations
• Liver Disorders
SEEK IMMEDIATE MEDICAL ATTENTION IF ANY OF THE FOLLOWING SIDE EFFECTS OCCUR AND DISCONTINUE TAKING THE MEDICATION
• Chest pains, irregular heartbeat, shortness of breath
• Shortness of breath associated with a blue colouring of the lips and peripheries (hands and feet)
• Seizures
• Severe Allergic reaction or anaphylaxis (swelling, facial swelling, swelling of lips, tongue, throat, shortness of breath, wheeze, rash, itching)
• Severe skin reaction (blistering, skin peeling, an extensive rash or rash accompanied by fever or pain)
PLEASE ENSURE YOU READ THE PATIENT INFORMATION LEAFLET THOROUGHLY WHICH WILL BE DELIVERED WITH YOUR MEDICATION BEFORE TAKING ANY MEDICATION PRESCRIBED BY US
What are the symptoms of a severe allergic reaction or anaphylaxis?
- Lips, mouth, throat or tongue suddenly become swollen
- Breathing very fast or struggling to breathe (you may become very wheezy or feel like you’re choking or gasping for air)
- Throat feels tight or you’re struggling to swallow
- Skin, tongue or lips turn blue, grey or pale (if you have black or brown skin, this may be easier to see on the palms of your hands or soles of your feet)
- Suddenly become very confused, drowsy or dizzy
- Faints and cannot be woken up
- If a child is limp, floppy or not responding like they normally do
- There may also be a rash which is swollen, raised or itchy
What medications do you offer for Allergies and Allergic Reactions?
Levocetirizine Hydrochloride (XYZAL)
How does Levocetirizine Hydrochloride (XYZAL) work?
What is my dose of Levocetirizine Hydrochloride (XYZAL)?
What are the side effects of Levocetirizine Hydrochloride (XYZAL)?
Lots of medications can cause side effects, which is an unwanted response to a medication when taken as a normal dose. Not all people experience side effects. The following side effects have been reported by at least 1% of people when using Levocetirizine Hydrochloride (XYZAL).
• Dry mouth
• Drowsiness
• Asthenia (weakness/lack of energy)
Check with your Doctor (and discontinue medication) as soon as possible if any of the following less common side effects occur:
• Gastrointestinal discomfort
• Reduced or painful urination
• Fever
• Dizziness
• Vomiting / Diarrhoea / Constipation
• Weight Gain / increased appetite
• Inner ear problems
SEEK IMMEDIATE MEDICAL ATTENTION IF ANY OF THE FOLLOWING SIDE EFFECTS OCCUR AND DISCONTINUE TAKING THE MEDATION
• Chest pains, irregular heartbeat, shortness of breath
• Shortness of breath associated with a blue colouring of the lips and peripheries (hands and feet)
• Severe Allergic reaction or anaphylaxis (swelling, facial swelling, swelling of lips, tongue, throat, shortness of breath, wheeze, rash, itching)
• Severe skin reaction (blistering, skin peeling, an extensive rash or rash accompanied by fever or pain)
PLEASE ENSURE YOU READ THE PATIENT INFORMATION LEAFLET THOROUGHLY WHICH WILL BE DELIVERED WITH YOUR MEDICATION BEFORE TAKING ANY MEDICATION PRESCRIBED BY US
Olopatadine eye drops
Olopatadine eye drops belongs to the class of medications called antihistamines. It is used to treat symptoms of allergic conjunctivitis (an allergic reaction which affects the eyes), such as itchy and red eyes.
How do Olopatadine eye drops work?
What is my dose of Olopatadine eye drops?
What are the side effects of Olopatadine eye drops?
Lots of medications can cause side effects, which is an unwanted response to a medication when taken as a normal dose. Not all people experience side effects. The following side effects have been reported by at least 1% of people when using Olopatadine eye drops.
• Dry eyes
• Eye discomfort
• Nasal Dryness
• Altered taste
• Headache
• Asthenia (weakness/lack of energy)
Check with your Doctor (and discontinue medication) as soon as possible if any of the following less common side effects occur:
• Blurred vision or vision disorders
• Sensitivity to light
• Eye pain
• Discharge from the eye
SEEK IMMEDIATE MEDICAL ATTENTION IF ANY OF THE FOLLOWING SIDE EFFECTS OCCUR AND DISCONTINUE TAKING THE MEDICATION
• Chest pains, irregular heartbeat, shortness of breath
• Shortness of breath associated with a blue colouring of the lips and peripheries (hands and feet)
• Severe Allergic reaction or anaphylaxis (swelling, facial swelling, swelling of lips, tongue, throat, shortness of breath, wheeze, rash, itching)
•Severe skin reaction (blistering, skin peeling, an extensive rash or rash accompanied by fever or pain)
PLEASE ENSURE YOU READ THE PATIENT INFORMATION LEAFLET THOROUGHLY WHICH WILL BE DELIVERED WITH YOUR MEDICATION BEFORE TAKING ANY MEDICATION PRESCRIBED BY US
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