Franca (2017–2019) Louzada made his NBB debut for Franca on 16 February 2017, playing under two minutes in a 99–78 win over
Pinheiros. On 26 January 2019, he recorded a career-high 27 points and six rebounds in a 100–70 victory over Nicaraguan club
Real Estelí in the
FIBA Americas League. On 12 April 2019, Louzada played for the World Select Team at the
Nike Hoop Summit in
Portland, Oregon. On 19 April, he declared for the
2019 NBA draft. At the time, Silva was ranked by
ESPN as the 61st-best prospect in the draft class. Silva was selected as the 35th pick of the 2019 NBA draft by the
Atlanta Hawks. His draft rights were later traded to the
New Orleans Pelicans.
Sydney Kings (2019–2021) On 5 July 2019, Louzada signed with the
Sydney Kings in the
National Basketball League (NBL), a league based in Australia. Silva joined the team through the NBL Next Stars program, which was created in the previous year to attract NBA draft prospects to the NBL. He averaged 10.6 points, 3.5 rebounds and 1.6 assist per game. On 30 September 2020, Louzada re-signed with the team.
New Orleans Pelicans (2021–2022) On 27 April 2021, Louzada signed with the
New Orleans Pelicans. On 19 November, he was suspended for 25 games for violating the terms of the NBA's anti-drug program. On 21 January 2022, while playing in the
NBA G League for the
Birmingham Squadron, Louzada suffered a left knee injury. Two days later, the Pelicans announced that he was diagnosed with a torn
medial meniscus in his left knee and would be ruled out indefinitely. On 4 February, he underwent surgery on his left knee.
Portland Trail Blazers (2022) On 8 February 2022, the
Portland Trail Blazers acquired Louzada,
Nickeil Alexander-Walker,
Tomáš Satoranský,
Josh Hart, a protected 2022 first-round draft pick, the better of New Orleans' and Portland's 2026 second-round draft picks and New Orleans' 2027 second-round draft pick from the
New Orleans Pelicans in exchange for
CJ McCollum,
Larry Nance Jr. and
Tony Snell. On August 29, 2022, Louzada was waived by the Blazers.
Cleveland Charge (2022–2023) On October 24, 2022, Louzada joined the
Cleveland Charge training camp roster.
Flamengo (2023–2024) On June 29, 2023, Louzada signed with
Flamengo of the
Novo Basquete Brasil. On June 13, 2024, Louzada was drafted by the
Valley Suns in the
2024 NBA G League expansion draft. ==National team career==