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Hypersensitivity and Loratadine

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Hypersensitivity Symptoms and Causes

An allergy is a reaction by your immune system to something that does not bother most other people. People who have allergies often are sensitive to more than one thing. Substances that often cause reactions are

  • Pollen
  • Dust mites
  • Mold spores
  • Pet dander
  • Food
  • Insect stings
  • Medicines

Normally, your immune system fights germs. It is your body's defense system. In most allergic reactions, however, it is responding to a false alarm. Genes and the environment probably both play a role.

Allergies can cause a variety of symptoms such as a runny nose, sneezing, itching, rashes, swelling, or asthma. Allergies can range from minor to severe. Anaphylaxis is a severe reaction that can be life-threatening. Doctors use skin and blood tests to diagnose allergies. Treatments include medicines, allergy shots, and avoiding the substances that cause the reactions.

Check out the latest treatments for hypersensitivity

hypersensitivity treatment research studies

Loratadine clinical trials, surveys and public health registries


Find Drug Side Effect reports



Loratadine Side Effects

Dizziness (40)
Convulsion (37)
Accidental Overdose (36)
Dyspnoea (34)
Somnolence (31)
Headache (28)
Vomiting (23)
Hypersensitivity (23)
Malaise (22)
Nausea (22)
Urticaria (21)
Pain (21)
Pruritus (20)
Loss Of Consciousness (20)
Death (19)
Insomnia (19)
Palpitations (19)
Syncope (19)
Swelling Face (17)
Anxiety (17)
Blood Pressure Increased (16)
Abdominal Pain Upper (15)
Completed Suicide (15)
Depression (14)
Overdose (14)
Rash (14)
Asthenia (13)
Burning Sensation (13)
Fall (13)
Pyrexia (13)
Vision Blurred (12)
Diarrhoea (12)
Cough (12)
Confusional State (12)
Condition Aggravated (12)
Cholestasis (12)
Cardiac Arrest (12)
Cerebrovascular Accident (11)
Abortion Spontaneous (11)
Torsade De Pointes (11)
Feeling Abnormal (11)
Heart Rate Increased (11)
Hyperhidrosis (10)
Muscle Spasms (10)
Ventricular Tachycardia (10)
Autoimmune Hepatitis (9)
Arrhythmia (9)
Angioedema (9)
Agitation (9)
Chest Pain (9)

➢ More


Common Meds

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Recent Reviews

one 10 mg pill cuased presure in thechest bad muslespasms in the back think past doses has sent me skizzo

Alopecia areata........ anyone else?

Can my one year old take loratadine

Can this medicine cause you to have a very fast heart rate?

Can you take tylenol right after taking a loratadine?

How long should a child of 5 years of age be on Loratadine (liquid form) and will this effect her alertness in school?

I was taking the loratadine 24 hr for about 4 months and past 3 months kept losing a lot of hair. Found bald spot few days ago and doc says alopecia areata. I saw a few postings on the internet of a correlation and wanted to know it anyone else has

Is 30mg too much in 24 hours?? is medical advice needed

My son experienced nightmares, several night wakenings, disorientation, restlessness, night sweats and a few days after stopping the medication had shortness of breath after exercising (with no previous asthmatic experiences)

I had a severe reaction to iv cefazolin that was not taken seriously by er nurse and failed to completely subside. i progressively became weaker and ill and believe that it is the cause of the autoimmune disorder and hypersensitivity vasculitis that

Took imigran nasal spray once for serious migraine went to bed the whole of my right side collapsed my right leg does not work i get exqiste hypersensitivity from my knee down my right shoulder has been badly damaged the muscles right side of my back

Hypersensitivity Clinical Trials and Studies

Treatments might be new drugs or new combinations of drugs, new surgical procedures or devices, or new ways to use existing treatments. The goal of clinical trials is to determine if a new test or treatment works and is safe. Clinical trials can also look at other aspects of care, such as improving the quality of life for people with chronic illnesses. People participate in clinical trials for a variety of reasons. Healthy volunteers say they participate to help others and to contribute to moving science forward. Participants with an illness or disease also participate to help others, but also to possibly receive the newest treatment and to have the additional care and attention from the clinical trial staff.