List of articles № 16

How to poison lice with dichlorvos on the head?

Dichlorvos, also known as DDVP, is an organophosphate insecticide synthesized from chloral. It functions by inhibiting acetylcholinesterase, an enzyme essential for nerve impulse transmission in insects, leading to paralysis and death. The compound appears as a clear, oily liquid with a characteristic odor and is soluble in water and many organic solvents.. Date latest changes:

Which scent repels ground fleas?

Ground fleas (Tunga penetrans) develop through four distinct stages: egg, larva, pupa, and adult. Females lay eggs in moist soil or sand, typically within 24 hours after feeding. Eggs hatch in 3–5 days, releasing larvae that feed on organic debris and microorganisms.. Date latest changes:

Can a tick detach on its own after biting?

Ticks attach through a sequence of mechanical and biochemical actions that secure the parasite to the host’s skin for the entire feeding period. The attachment process unfolds as follows: The questing tick climbs onto vegetation and waits for a passing host, sensing heat, carbon‑dioxide, and movement.. Date latest changes:

Do lice jump or only crawl?

Lice belong to the order Phthiraptera and exhibit a compact body divided into three regions: head, thorax, and abdomen. The head bears compound eyes and antennae that detect chemical cues on the host. The thorax supports six short, sturdy legs, each ending in a claw adapted to grasp a single hair shaft.. Date latest changes:

How can I relieve itching from flea bites on a person?

Flea bites appear as small, raised papules that are typically 2–5 mm in diameter. The lesions are red or pink and often have a central punctum where the flea’s mouthparts inserted. A halo of slightly paler skin may surround the core, creating a target‑like pattern.. Date latest changes:

What else can bite in the home besides bedbugs?

Mosquitoes are common indoor biters that cause immediate itching and potential skin irritation. Female mosquitoes seek blood to develop eggs, and indoor environments provide suitable resting places, especially during cooler months when outdoor activity declines.. Date latest changes:

What does a tick bite mark look on a dog?

A tick attaches to a dog’s skin and may trigger a rapid response. Within minutes to a few hours the animal can display visible and behavioral changes that indicate irritation or an allergic reaction. Localized redness or swelling around the bite site Small puncture wounds that bleed or ooze clear fluid Excessive licking, chewing, or scratching of the affected area Sudden restlessness, pacing, or vocalization of discomfort Rapid heart rate or shallow breathing in sev. Date latest changes:

What blood test is needed after a tick bite?

Proper removal of a tick reduces the risk of pathogen transmission and informs the decision on subsequent serological evaluation. The procedure should begin as soon as the attachment is noticed; delay increases the likelihood of pathogen transfer.. Date latest changes:

What should I do if bedbugs appear in my apartment?

Bedbugs can be distinguished by a set of consistent visual traits. Adult insects measure 4–5 mm in length, resembling an apple seed. Their bodies are flat, oval, and reddish‑brown, becoming more engorged and darker after feeding. Antennae are short, and each wing pad bears a distinctive triangular pattern.. Date latest changes:

How does a dead tick look compared to a living tick?

Living ticks display a range of colors that reflect species, developmental stage, and feeding status. Adult females of common species such as Ixodes scapularis appear reddish‑brown when unfed and turn deep reddish‑orange after blood meals.. Date latest changes:

A tick has fallen off after a bite: what should you do next?

After a tick detaches, examine the bite site for remaining parts. Small fragments, especially the head or mouthparts, can stay embedded and cause infection if not removed. Use a magnifying lens or bright light to view the area closely. Look for dark specks, tiny black dots, or a raised bump indicating residual mouthparts.. Date latest changes:

Do cat fleas bite humans inside an apartment?

Cat fleas (Ctenocephalides felis) are small, wingless insects measuring 1–3 mm in length. Their laterally compressed bodies enable movement through the hair of their hosts. Adults are dark brown to reddish‑brown, with a hardened exoskeleton that resists desiccation.. Date latest changes:

How to take Forticarp after a tick bite in dogs?

Forticarp is a veterinary medication formulated as a chewable tablet containing the active ingredient afoxolaner, a member of the isoxazoline class. The product is designed for oral administration to dogs and provides systemic protection against ectoparasites, including ticks and fleas.. Date latest changes:

How long does a tick live in an apartment on forest clothing?

The egg stage marks the beginning of a tick’s life cycle. Female ticks lay thousands of eggs on the floor or in hidden crevices after detaching from a host. Under optimal humidity (70‑85 %) and temperatures between 20 °C and 25 °C, incubation lasts 5‑14 days.. Date latest changes:

How long does a laboratory analysis of a tick take?

Prompt analysis of a tick specimen directly influences clinical outcomes, public‑health surveillance, and laboratory efficiency. When a tick is examined shortly after collection, DNA and protein integrity remain high, enabling reliable identification of pathogens such as Borrelia , Rickettsia , or Anaplasma .. Date latest changes:

How can you eradicate bedbugs from a sofa at home?

Visual confirmation is the first step in verifying a bed‑bug infestation on a sofa. Identifying the insects and their by‑products determines the scope of treatment and prevents unnecessary interventions. Key indicators to examine: Live insects:. Date latest changes:

Where does spider mite originate on indoor plants?

Spider mites belong to the family Tetranychidae, a group of arachnids that feed on plant sap. They are among the most common pests of indoor vegetation, capable of establishing colonies on a wide range of ornamental and edible species. Adult spider mites measure 0.. Date latest changes:

What do fleas look like in an apartment and how can they be removed?

The flea life cycle consists of four stages: egg, larva, pupa, and adult. Female fleas lay 20–50 eggs daily on hosts or in surrounding areas such as carpet fibers, bedding, and floor seams. Eggs are pale, oval, and invisible to the naked eye, falling to the floor within hours.. Date latest changes:

Can a dog be washed before applying tick drops?

Tick‑preventing spot‑on products rely on a limited set of synthetic insecticides that act on the nervous system of arthropods. These active agents remain effective only when they reach the skin surface and spread through the sebaceous layer.. Date latest changes:

What are the best methods to extract a tick from a dog at home?

A reliable home tick‑removal procedure requires specific instruments and supplies. Fine‑tipped tweezers or a purpose‑made tick removal device provide the necessary grip to pull the parasite without crushing its body. Disposable nitrile gloves protect the handler from pathogen exposure.. Date latest changes:

What does a tick bite site look like without the parasite: photos and description?

A tick bite that has been emptied of the arthropod often leaves a small, reddish puncture surrounded by a faint halo. The wound may persist for several days, sometimes developing a central scab or a slight swelling. Because the mark lacks the visible tick, it is frequently confused with other dermatological findings.. Date latest changes:

Can a tick bite be fatal to a dog, and what does the evidence say?

Tick-borne illness risk varies with the presence of specific tick species, making geographic distribution a critical factor when assessing the potential lethality of a tick bite in dogs. Regions with documented high incidence of fatal tick-borne disease in canines include:. Date latest changes:

How to treat an indoor rose for spider mites at home?

Spider mites on indoor roses present unmistakable visual cues. Adult mites and nymphs appear as tiny, moving specks, often red, brown, or yellow, visible only with magnification. Their feeding creates a stippled pattern of tiny, pale spots on leaf surfaces;. Date latest changes:

How can you tell that bedbugs have appeared?

Live bed bugs are small, wingless insects that feed on human blood. Adults measure 4–5 mm in length, have a flat, oval body, and range in color from reddish‑brown to nearly black after a blood meal. Nymphs resemble miniature adults and undergo five molts before reaching maturity.. Date latest changes:

What to do if a puppy has fleas?

When a young dog shows signs of ectoparasite infestation, the first objective is to verify the presence of fleas through direct observation. Visual confirmation eliminates guesswork and guides subsequent treatment steps. Inspect the coat and skin carefully.. Date latest changes:

How to treat a basement for fleas?

Fleas leave distinct evidence that can be identified before any control measures are applied in a basement environment. Visible blood spots on bedding, rugs, or stored fabrics indicate recent feeding activity. Small, dark specks that resemble pepper are flea feces, commonly found on carpet fibers, seams, and corners where the insects congregate.. Date latest changes:

How to properly remove a tick from a cat?

Gloves are a critical component of safe tick extraction from a cat. They create a barrier between the handler’s skin and the parasite, reducing the risk of disease transmission and preventing accidental bites. Disposable nitrile gloves: provide chemical resistance, easy to discard after use, maintain tactile sensitivity for precise removal.. Date latest changes:

What is the life cycle of bedbugs?

Bed bugs (Cimex lectularius) are small, wingless insects belonging to the family Cimicidae. They are obligate hematophages, feeding exclusively on the blood of warm‑blooded hosts, primarily humans. Adult bed bugs measure 4–5 mm in length, have a flat, oval body, and exhibit a reddish‑brown coloration that darkens after a blood meal.. Date latest changes:

How to combat basement fleas?

Fleas progress through four distinct stages: egg, larva, pupa, and adult. Adult females deposit 20–30 eggs on the host or in the surrounding environment each day. Eggs hatch within 2–5 days, releasing larvae that feed on organic debris, including adult flea feces.. Date latest changes:

What do fleas do during their life cycle?

Fleas affect hosts at every stage of their development. Adult females lay eggs on the host’s fur; eggs fall off and hatch into larvae that feed on organic debris, including adult flea feces. The presence of eggs, larvae, and pupae in the environment creates continuous exposure for the host.. Date latest changes:

How can bedbugs be introduced into an apartment?

Public transportation can serve as a conduit for bedbugs to reach residential units. Passengers often sit on seats, hold onto straps, or place personal items on surfaces that may harbor insects. When commuters exit a bus, train, or subway, any bugs attached to clothing, bags, or luggage can be transferred to the apartment environment.. Date latest changes:

What should you do to avoid catching lice?

Lice develop through a predictable sequence that determines how quickly an infestation can spread. Knowing each phase allows targeted actions that interrupt reproduction and transmission. Egg (nit): Female lice attach oval, translucent eggs to hair shafts close to the scalp.. Date latest changes:

Do humans have lice or fleas, and how can you differentiate?

Humans can host several distinct lice species, each adapted to a specific body region and mode of transmission. Understanding these categories clarifies the broader query about human ectoparasites and how they differ from flea infestations. Head louse (Pediculus humanus capitis) – inhabits scalp hair, lays eggs (nits) attached to hair shafts, moves only by crawling.. Date latest changes:

How to remove a tick from human skin?

Ticks act as vectors for a range of pathogenic organisms. Recognizing the illnesses they may transmit informs the urgency of proper removal and subsequent monitoring. Lyme disease – caused by Borrelia burgdorferi ; early symptoms include erythema migrans, fever, headache, and fatigue.. Date latest changes:

What should you do if children are found to have lice?

Head lice (Pediculus humanus capitis) are tiny, wing‑less insects that live on the scalp and feed on human blood. Adults measure 2–4 mm, are tan‑brown, and have six legs with clawed tarsi that cling to hair shafts. Nymphs resemble adults but are smaller and develop through three molts before reaching maturity.. Date latest changes:

How can I eliminate fleas in the house without chemicals?

Flea eggs are microscopic, oval, and white, measuring about 0.5 mm in length. After a female deposits them, they hatch within two to five days, releasing larvae that feed on organic debris. Because eggs adhere lightly to surfaces, they accumulate in carpets, pet bedding, cracks, and upholstery.. Date latest changes:

What should you do if bedbugs are found in a hotel?

When a guest suspects an infestation, visual inspection provides the quickest confirmation. The following systematic approach maximizes detection accuracy. Examine the mattress seams, especially the piping and tag area. Bedbug exoskeletons, fresh fecal spots, or tiny dark‑brown eggs appear as specks against the fabric.. Date latest changes:

What is the ICD‑10 code for a tick bite in adults?

The ICD‑10 classification assigns a specific code to a tick bite in adults to enable consistent recording, reimbursement, and statistical analysis. The code captures the clinical encounter, supports health‑system reporting, and facilitates research on vector‑borne diseases.. Date latest changes:

Which tick repellent is best for humans?

Ticks transmit several pathogens that cause acute or chronic disease in humans. Understanding the most frequent infections informs the selection of effective repellents and preventive measures. Lyme disease – Bacterium Borrelia burgdorferi ;. Date latest changes:

What are possible methods to get rid of bedbugs?

Accurate identification of the pest and its feeding marks is the first step before any control strategy can be applied. Bed bugs are small, flat insects about 4–5 mm long, reddish‑brown, and wingless. Their bodies are oval and become swollen after a blood meal.. Date latest changes: