How can I get rid of bed lice in a sofa?

How can I get rid of bed lice in a sofa? - briefly

Remove the removable covers, launder them at 60 °C, then vacuum the entire sofa and apply a licensed insecticide spray to the fabric and seams. Repeat the vacuuming and laundering after seven days to eliminate any newly hatched lice.

How can I get rid of bed lice in a sofa? - in detail

Eliminate the infestation by following a systematic approach.

First, isolate the sofa. Move it away from other furniture, cover nearby items with plastic sheeting, and keep pets and children out of the area.

Next, conduct a thorough inspection. Use a bright flashlight and a fine‑toothed comb to locate live insects, eggs, and shed skins in seams, cushions, and the frame. Place collected material in a sealed bag for disposal.

Apply a suitable treatment:

  • Heat – Rent a portable heater or use a professional steam cleaner. Raise the surface temperature to at least 120 °F (49 °C) for 30 minutes; heat penetrates fabric and kills all life stages.
  • Cold – If the sofa can be moved, place it in a freezer set to –4 °F (–20 °C) for 72 hours. Extreme cold also exterminates the pests.
  • Chemical – Use a label‑approved aerosol or spray containing pyrethroids, neonicotinoids, or desiccant dust (e.g., diatomaceous earth). Apply to all seams, stitching, and underside of cushions, following manufacturer safety instructions.

After treatment, clean the area:

  1. Vacuum the entire sofa, including crevices, with a HEPA‑rated filter. Immediately empty the canister into a sealed bag.
  2. Launder removable covers at 130 °F (54 °C) or higher; dry on the hottest setting.
  3. Dispose of vacuum bags, liners, and any contaminated debris in sealed trash bags.

Monitor for recurrence. Inspect weekly for the next month, repeating heat or chemical treatment if any signs reappear.

Prevent future infestations by:

  • Keeping the sofa away from walls and carpet edges where insects travel.
  • Using protective encasements that are insect‑proof.
  • Regularly vacuuming and inspecting upholstery.
  • Avoiding placement of second‑hand furniture without prior decontamination.

By executing these steps, the couch will be cleared of the parasites and remain protected against reinfestation.