A red spot after a tick bite itches and itches: how dangerous is an allergic symptom for human life and health
Ticks are carriers of dangerous viruses that can cause serious illness. But even if the parasite has not been infected, encountering it can cause unpleasant consequences. Many people are allergic to tick bites.
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What does a tick look like
People who visit forested areas in the warm season need to know how this parasite looks outwardly in order to distinguish it from others and take timely measures.
Ixodes ticks are dangerous for humans - they carry deadly infections.
This subspecies has more than 200 species. All its representatives are similar in appearance: a flat, ovoid body, a small head, 8 paws. A tick saturated with blood increases in size.
Features of a tick bite
Outwardly, the bite does not differ from the bite of another parasite. The suction site is painless, since the insect injects an anesthetic at the time of penetration, rounded redness appears around.
How dangerous is a tick bite
After penetration, the parasite attaches itself and begins to drink the blood of the victim. At this time, an infection enters her body. Infections carried by ticks include:
- tick-borne encephalitis;
- Omsk hemorrhagic fever;
- Crimean hemorrhagic fever;
- spotted fever;
- erlichiosis;
- tularemia.
The tick bite site is itchy and reddened
The appearance of a reaction to a bite depends on several factors: the individual characteristics of the organism, the presence of allergic reactions in history.
Lump at the site of a tick bite
A small bump (papule) at the site of the bite is a normal reaction if it disappears within 1-2 days. The persistence of the seal may indicate infection with an infectious disease or other serious consequences.
| Why do bumps appear | The reasons may be different: for example, infection with Lyme disease or tick-borne encephalitis is manifested in this way. A removed tick must be immediately sent to a laboratory for examination so that the victim of the bite can receive the necessary treatment in a timely manner. |
| If the tick was not contagious, the causes of seals | As mentioned above, the formation of a seal does not always indicate infection with viruses. The reasons may be more benign. |
| After the tick, a bump remains: an allergic reaction | A lump at the site of a parasite bite can be an allergic reaction of the body. The tick pierces the skin of the victim, injecting saliva. At the same time, it is not necessary that saliva is infected, even in a sterile form, it can cause allergies. |
| Thickening after a tick bite: immune response (mite remains under the skin) | In addition, a papule may form if the bloodsucker was not properly removed and its head remained under the skin. This is due to the action of the immune system, which rejects the foreign protein. In such cases, the appearance of inflammation and pus is not excluded. |
| Bump after a tick bite in humans: infection of an open wound | Secondary wound infection may occur. The insect breaks the skin, the resulting wound becomes the entrance gate for bacteria. If an infection has entered the body, an inflammatory process occurs, the appearance of suppuration is not excluded. In such cases, you can not do without medical help. |
Instructions on what to do after a tick bite
If a parasite is found on the body, it is necessary to act immediately. This will avoid serious negative health consequences.
Signs of dangerous diseases if bitten by a tick
The incubation period of some diseases can be up to 25 days, so during this time it is necessary to carefully monitor the condition of the victim of the parasite.
Encephalitis
On average, the disease manifests itself within 1-2 weeks, but the incubation period is 25 days. Signs of infection with tick-borne encephalitis include:
- increase in body temperature up to 40 degrees;
- headache mainly in the temples and frontal region;
- sweating, muscle and joint pain;
- numbness of the extremities, convulsions, loss of consciousness.
Lyme Disease
Borreliosis (Lyme disease) has 3 stages, each of which is characterized by certain signs. The first stage is erythema migrans: 3-30 days after the bite, erythema (redness) appears on the body.
Unlike an allergic reaction, erythema does not decrease over time, but only increases.
Most often, it becomes pale in the center and bright at the edges, but sometimes remains a uniform red tint. The second stage of the disease is an early generalized form. It is characterized by the following symptoms:
- violation of the nervous system: paralysis of the facial nerve, meningitis;
- violation of cardiac activity: violation of the conduction of the heart, lime carditis;
- eye disorders: conjunctivitis, keratitis;
- lymphocytoma;
- multiple migrating erythema.
The following symptoms are characteristic of the third (late) stage of Lyme disease:
- severe disorders in the work of the nervous system;
- skin diseases;
- arthritis of large joints.
Currently, the third stage of borreliosis is a rare phenomenon. Most often, the disease is easily diagnosed and patients receive timely treatment.
Monocytic ehrlichiosis
Timely diagnosis of ehrlichiosis is not always possible. The first symptoms of the disease are nonspecific, they are often mistaken for a manifestation of a common cold.
General signs of monocytic ehrlichiosis:
- fatigue, tiredness;
- chills, fever;
- headache, muscle and joint pain;
- difficulty breathing;
- disorders of the digestive system, lack of appetite;
- swollen lymph nodes;
- skin rashes.
In the absence of therapy, more serious symptoms are observed: confusion, impaired coordination, convulsions, liver damage. In addition, with ehrlichiosis, the level of platelets in the blood is significantly reduced, which can cause severe bleeding.
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