7 Subtle Allergy Symptoms That Can Persist Throughout the Year
Coughing and headaches might not always signal a cold—they can be allergy symptoms too. Discover with Zamona which other signs may indicate an allergy.
Coughing and headaches are often mistaken for common colds, but sometimes they reveal underlying allergies. Partnering with Zamona, we explore additional symptoms that might suggest an allergic reaction.
1. Persistent Dry Cough
A dry cough lasting more than three weeks could indicate an allergy, especially if typical cold symptoms like fever or severe sore throat are absent. Allergic symptoms typically worsen when exposed to triggers such as accumulated dust or inhaling cleaning agents.
Often, this cough accompanies hay fever—a seasonal allergy to pollen from various trees and grasses. For example, some individuals experience coughing in spring when birch trees bloom, while others might react in late summer to plants like thistle or sagebrush.
Bronchial irritation can also be caused by pet dander or mold. Additionally, the presence of cockroaches can trigger this symptom, as their saliva and tiny body fragments mix with dust and provoke allergic responses.
If you suspect an allergy, consult a healthcare professional who can perform necessary tests and offer guidance. Prescribed medications can be conveniently ordered through Zamona’s online platform or mobile app, available on the App Store and Google Play.
Zamona compares prices across various pharmacies and highlights nearby locations where you can collect multiple prescriptions at once, avoiding delivery wait times. With over 12,000 partner pharmacies, finding what you need is effortless. Non-prescription drugs can be delivered within 1–2 hours in major cities, while prescription medications can be reserved for pick-up within 15–30 minutes.
2. Dry Skin

Allergic skin reactions aren't always red and itchy rashes. Sometimes, exposure to allergens like jewelry metals, cosmetics, detergents, or medications results in dryness and tightness. Linking dry skin to allergies can be challenging, especially during winter when heating and cold weather already dry out the skin.
Some allergens cause reactions only under sunlight, known as photoallergic dermatitis. Common triggers include shaving lotions, perfumes, and even sunscreen. Such allergies can also develop after tattoo sessions due to pigments in colored inks.
3. Headaches
Allergies can cause headaches due to inflammation in the sinuses. Normally hollow, these cavities can swell when irritated, blocking openings and creating pressure. This pain might affect the cheeks, jaw, or top of the head and vary from dull to severe. Symptoms often worsen upon waking and improve after standing. Common triggers include pollen, mold, and pet dander. Sometimes, headaches occur without other allergy signs.
Some allergy sufferers experience migraines—pulsating pain usually affecting one side of the head. Bright light can worsen symptoms, which may also include nausea. Food allergies to peanuts, eggs, or milk can unpredictably trigger such migraines.
4. Nausea and Vomiting

When the immune system encounters a perceived threat, it releases histamine, which initiates processes to expel allergens. While inhaled allergens cause sneezing and runny nose, food allergies often lead to nausea and vomiting, sometimes mistaken for food poisoning. Other symptoms include tingling or itching in the mouth, dizziness, abdominal cramps, and diarrhea.
Allergies can develop to nearly any food, but common culprits include milk, eggs, peanuts, tree nuts, fish, and shellfish.
5. Fatigue and Insomnia
Common allergens like pet dander and dust mites residing in pillows and bedding can disrupt sleep. Allergy sufferers might struggle to connect insomnia with their condition, especially if other symptoms are mild. This can lead to fatigue and irritability similar to sleep deprivation. Additionally, daytime 'brain fog' may occur due to inflammation triggered by allergic reactions.
6. Shortness of Breath
Individuals sensitive to pollen often experience swelling in the throat and airways, making it difficult for the lungs to retain sufficient air. Chronic exposure to irritants can cause laryngitis, resulting in frequent sore throats and hoarseness. Rarely, mold allergies can lead to pneumonia when fungal spores enter the lungs.
7. Anxiety
Allergies can heighten anxiety, especially when exposed to triggers like flowers or certain foods. This is linked to cytokines—anti-inflammatory molecules released during allergic reactions that impact mental health.
Other allergy symptoms, such as poor sleep, also contribute to increased anxiety. These signs are often overlooked or attributed to stress rather than allergies.
Allergies don’t always begin in childhood; adults can develop them unexpectedly. Zamona and the Pollen Club project have created an allergy calendar to help identify plants causing reactions during different months and associated symptoms. The calendar uses a scale from 1 to 10 to assess symptom severity—the higher the score, the worse the condition. While focused on the spring-summer bloom season, some allergens bloom in winter, even under snow, with pollen invisible to the naked eye.
If you notice unusual symptoms, seek medical advice. Should treatment be prescribed, Zamona offers easy access to necessary medications via its platform.

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