List of articles № 114

What are the first symptoms of an encephalitis tick bite in dogs?

Tick-borne diseases pose a serious health risk to canine populations, with encephalitis‑causing pathogens transmitted by Ixodes and Dermacentor species representing a particularly dangerous subset. Early detection of neurologic involvement after a tick attachment can prevent irreversible damage and improve survival rates.. Date latest changes:

How can you get rid of lice on long hair at home?

Head lice (Pediculus humanus capitis) are tiny, wingless insects that live on the human scalp. Adults measure 2–4 mm, nymphs are smaller, and eggs (nits) are about 0.8 mm long. Lice feed exclusively on blood, attaching to hair shafts close to the scalp and piercing the skin with specialized mouthparts.. Date latest changes:

Should a dog be treated for fleas before worms, and how should it be done correctly?

Fleas act as mechanical carriers for certain intestinal parasites, most notably the canine tapeworm  Dipylidium caninum . Adult tapeworms release egg packets in the dog’s feces; these packets are ingested by flea larvae while they develop in the environment.. Date latest changes:

How can I quickly eliminate bedbugs from my apartment, including the sofa?

Bedbugs are small, oval insects measuring 4–5 mm in length when unfed and expanding to about 7 mm after feeding. Their dorsum is flat, facilitating movement through fabric seams and carpet fibers. Color ranges from reddish‑brown after a blood meal to pale brown when starved, fading to a light tan after molting.. Date latest changes:

Why shouldn't you pull a tick out?

When a tick is detached by pulling, the mandibles and hypostome often remain embedded in the skin. These retained mouthparts act as a conduit for pathogens, allowing bacteria such as Borrelia burgdorferi or Anaplasma to enter the bloodstream even after the tick’s body is gone.. Date latest changes:

How long can bedbugs live without feeding?

Bedbugs progress through a predictable series of developmental phases, each with distinct nutritional requirements and fasting capacities. The life cycle begins with the egg, deposited in clusters on crevices. Eggs hatch in 6–10 days at 70 °F (21 °C).. Date latest changes:

How do bedbugs get into an apartment?

Bed bugs (Cimex lectularius) are small, wing‑less insects that feed exclusively on the blood of warm‑blooded hosts, primarily humans. Adults measure 4–5 mm in length, have a flat, oval shape, and display a reddish‑brown color that darkens after feeding.. Date latest changes:

How to treat a tick bite in humans?

Ticks that regularly bite humans belong to several genera that differ in geographic range, preferred hosts, and disease potential. Recognizing the species involved aids clinicians in assessing infection risk and selecting appropriate management strategies.. Date latest changes:

Where to go if a tick has bitten you?

When a tick attaches, prompt extraction limits pathogen transmission. Essential instruments include: Fine‑pointed tweezers with smooth jaws Tick‑removal hooks or specialized tick‑removal devices Small, flat‑head forceps for delicate grasping Antiseptic wipes or solution for site disinfection Removal procedure:. Date latest changes:

What is cold fog treatment for bed bugs?

Cold fog treatment for bed bugs operates through a rapid, temperature‑driven lethal process. The method disperses a fine mist of chilled vapor, typically generated from liquid nitrogen or a similar cryogenic fluid, into infested spaces. The vapor instantly lowers ambient temperature to below the insects’ freezing point, producing the following effects:. Date latest changes:

Why does a dog itch when there are no fleas?

Allergies are a leading cause of pruritus in dogs lacking external parasites. The immune system reacts to substances that are normally harmless, releasing histamine and other mediators that stimulate nerve endings in the skin. This response produces intense scratching, licking, and head shaking despite the absence of fleas.. Date latest changes:

What does it mean when fleas appear in a man's dream?

Dreams featuring fleas often carry symbolic weight that transcends personal context. Across cultures and psychological frameworks, these insects are linked to themes of irritation, loss of control, and hidden concerns. Common universal readings include:. Date latest changes:

Why do cat fleas bite humans?

Ctenocephalides felis, the common cat flea, is a small, wing‑less insect adapted to feed on warm‑blooded hosts. Its mouthparts consist of a serrated stylet that pierces skin, injects saliva, and extracts blood. Although cats and dogs are preferred hosts, fleas will bite humans when animal hosts are unavailable, when flea density is high, or when environmental conditions favor rapid reproduction.. Date latest changes:

Do bedbug bites itch?

Bedbug bites commonly cause a pruritic reaction. The immediate cause of this sensation lies in the insect’s saliva, which is introduced into the skin during feeding. The saliva contains a mixture of bioactive substances: proteolytic enzymes that disrupt epidermal barriers, anticoagulant proteins that prevent clot formation, anesthetic peptides that reduce pain perception, vasodilators that increase blood flow to the feeding site.. Date latest changes:

Will household soap help with fleas?

Fleas are small, wing‑less insects belonging to the order Siphonaptera. Adults measure 1–4 mm, possess laterally compressed bodies, and are equipped with powerful hind legs for rapid jumping. They feed exclusively on the blood of mammals and birds, using a piercing‑sucking mouthpart to draw fluid from the host’s skin.. Date latest changes:

Until which month are ticks active on dogs?

Ticks begin questing for hosts as temperatures rise above 10 °C, typically in early March in temperate zones. Activity accelerates with the emergence of larvae and nymphs, reaching its highest density during April and May. Adult ticks, especially Ixodes ricinus and Dermacentor variabilis, dominate the June‑July period, when humidity and warmth create optimal conditions for feeding and reproduction.. Date latest changes:

How can you safely remove a tick – best methods?

When a tick is found, immediate removal reduces the chance that pathogens will be transmitted. The tick’s mouthparts must be extracted whole; any breakage can leave infected tissue behind and increase infection risk. Use fine‑point tweezers or a specialized tick‑removal device.. Date latest changes:

How do lice spread from one person to another

Head lice (Pediculus humanus capitis) are tiny, wingless insects that live on the human scalp. Adult females measure about 2.5 mm, males slightly smaller; both are flattened and have six legs adapted for grasping hair shafts. Lice feed exclusively on blood, piercing the scalp with specialized mouthparts every few hours.. Date latest changes:

How do bedbugs migrate from one apartment to another?

Bedbugs move primarily by crawling, covering roughly 0.5–1 meter per hour under optimal conditions. Their locomotion relies on six legs equipped with tiny claws that grip fabric, wood, and wall crevices, allowing rapid navigation through confined spaces such as baseboards and electrical outlets.. Date latest changes:

How long should dichlorvos be left on the head to kill lice?

Dichlorvos (O,O‑dimethyl O‑2,2‑dichlorovinyl phosphate) is a colorless, volatile organophosphate liquid with a molecular weight of 221 g mol⁻¹ and a boiling point of 140 °C. It is miscible with most organic solvents, only slightly soluble in water (≈0.. Date latest changes:

What does a dream about crushing bedbugs mean?

Dream analysis often groups symbols into recurring motifs that reveal emotional states. Common motifs include pursuit, descent, loss of teeth, water, and insects. Each motif reflects a distinct psychological concern. Pursuit indicates avoidance of unresolved conflict.. Date latest changes:

How do you correctly put a flea collar on a cat?

«Insecticide-Based Collars» provide continuous protection against fleas, ticks, and other ectoparasites by releasing a controlled dose of active chemicals through the cat’s skin. The formulation typically includes imidacloprid, selamectin, or fipronil, which interfere with the nervous system of parasites while remaining safe for the host when used as directed.. Date latest changes:

Are lice dangerous to health, and what are the risks and complications?

Lice are obligate ectoparasites that feed exclusively on human blood. Their development occurs entirely on the host, allowing rapid population expansion and sustained contact with the skin. Egg (nit): Oval, firmly attached to hair shafts near the scalp.. Date latest changes:

Where do ground fleas originate in a private house?

Ground fleas are tiny, laterally flattened arthropods typically measuring 1–3 mm in length. Their bodies are smooth, often pale brown or gray, and covered with a fine, waxy coating that reduces desiccation. A distinct furcula—a forked appendage on the ventral side—stores elastic energy and releases it to produce rapid jumps of up to several centimeters.. Date latest changes:

What is the name of a popular tick repellent?

Tick repellents reduce the risk of tick‑borne diseases by creating a chemical barrier that deters attachment and feeding. Effective repellents contain active ingredients such as permethrin or DEET, which interfere with the sensory receptors ticks use to locate hosts.. Date latest changes:

What does a tick bite on the leg look like?

A tick attached to the lower limb leaves a pinpoint puncture surrounded by a raised, red papule. The central spot may appear darker than the surrounding skin, and a halo of mild erythema often extends a few millimeters outward. Sharp itching at the bite site Burning sensation that intensifies with movement Tenderness when pressure is applied Swelling that develops within the first hour If the reaction expands rapidly, forms a pronounced wheal, or is accompanied by. Date latest changes:

How to get rid of cat fleas at home?

Flea bites on cats appear as small, red papules, often clustered near the base of the tail, abdomen, and inner thighs. The lesions may be surrounded by a thin halo of inflammation and can be accompanied by excessive scratching or grooming. In severe infestations, cats may develop hair loss and secondary skin infections at the bite sites.. Date latest changes:

Will flea shampoo help eliminate lice and nits?

Flea shampoos contain chemicals designed to eradicate ectoparasites on animals. The principal classes of active ingredients include: Pyrethrins and pyrethroids – synthetic analogues of natural compounds derived from chrysanthemum flowers.. Date latest changes:

How many days after a tick bite does erythema appear?

Erythema migrans is the characteristic skin lesion of early Lyme disease, caused by the bacterium Borrelia burgdorferi transmitted through tick bites. The rash typically begins as a small, red macule at the bite site and expands outward, often reaching a diameter of 5 cm or more.. Date latest changes:

What is the step-by-step process for treating an apartment for bed bugs?

Bed bugs (Cimex lectularius) are small, wing‑less insects measuring 4–5 mm in length when unfed and expanding to about 6–7 mm after a blood meal. Their bodies are flattened dorsoventrally, facilitating movement within tight crevices, and they possess a reddish‑brown color that may appear lighter after feeding.. Date latest changes:

What are the best flea and tick treatments for dogs?

Allergic dermatitis in dogs frequently results from hypersensitivity to flea saliva, known as flea‑induced allergic dermatitis (FAD). Clinical signs include intense itching, erythema, papules, pustules, and alopecia, often concentrated at the base of the tail, hindquarters, and abdomen.. Date latest changes:

Can stress cause lice infestations in adults?

The life cycle of head lice (Pediculus humanus capitis) consists of three distinct stages: egg, nymph, and adult. Female lice embed their eggs, called nits, within the hair shaft about a millimeter from the scalp. Each nit is cemented with a proteinaceous substance that resists removal.. Date latest changes:

How many days after applying drops do fleas disappear on a cat?

Topical flea treatments work by delivering a precise dose of insecticidal compounds through the cat’s skin and into the bloodstream, where they affect parasites that bite or feed. After a single application, most products begin to affect adult fleas within a few hours, and the majority of the infestation is usually eliminated within 24–48 hours.. Date latest changes:

How can I quickly get rid of bedbugs from my home, especially from the sofa, and what is the most effective method?

Visual identification is the first step in eliminating a bed‑bug infestation, particularly on upholstered furniture. Accurate detection allows targeted treatment, reduces chemical use, and prevents spread to other areas of the residence. Live insects appear as small, reddish‑brown, oval‑shaped bodies about 4–5 mm long.. Date latest changes:

What is the danger of the red tick?

Red spider mites are tiny arachnids that thrive on the undersides of leaves. Their feeding activity punctures plant cells, extracting sap and leaving a stippled, yellow‑brown appearance. This damage reduces photosynthetic capacity, weakens growth, and can lead to premature leaf drop.. Date latest changes:

What should I purchase to treat bedbugs?

Bed bugs reveal their presence through distinct visual and physical indicators. Common evidence includes: Small, reddish‑brown spots on bedding, mattresses, or furniture, representing crushed insects. Tiny, dark fecal specks resembling pepper grains, often found near seams, folds, or crevices.. Date latest changes:

Do bedbugs bite cats?

Bedbugs (Cimex lectularius) are small, wingless insects approximately 4–5 mm long, with a flattened, oval body and a reddish‑brown color after feeding. Their mouthparts consist of a proboscis designed to pierce skin and withdraw blood. Feeding occurs exclusively on warm‑blooded hosts, and the insect is attracted by carbon dioxide, body heat, and certain chemicals emitted by the host’s skin.. Date latest changes:

Is a tick bite dangerous for a dog?

Ticks that commonly infest dogs include several species whose geographic ranges and pathogen vectors differ markedly. Recognizing these species aids in assessing health risks and implementing targeted prevention. Ixodes scapularis (Black‑legged tick) – prevalent in the eastern United States and parts of Canada;. Date latest changes:

Which direction should you twist a tick to remove it?

The long‑standing discussion over tick removal centers on whether a rotating motion or a straight pull yields the safest outcome. Early field guides advocated a clockwise twist, arguing that the mouthparts of many species engage in a right‑handed spiral, making a matching rotation less likely to shear the barbs.. Date latest changes:

Can bed bugs bite through clothing?

Bed bugs (Cimex lectularius) are small, flat insects measuring 4–5 mm in length when unfed and expanding to about 7 mm after a blood meal. Their dorsoventral flattening enables them to slip between fabric fibers and into seams. The exoskeleton consists of a tough, chitinous cuticle that resists tearing but remains flexible enough to conform to tight spaces.. Date latest changes: